Add configuration template files (.env.example, .dockerignore)

Added essential configuration templates that were missing from the
repository due to overly restrictive .gitignore patterns.

Changes to .gitignore:
- Added negation patterns for .env.example files
- Added negation patterns for .dockerignore files
- These are safe template files with placeholder values

Files added:
- .env.example (root): Main environment configuration template
- reports-app/backend/.env.example: Backend configuration template
- reports-app/frontend/.env.example: Frontend configuration template
- reports-app/telegram-bot/.env.example: Telegram bot config template
- reports-app/telegram-bot/.dockerignore: Docker build exclusions

These template files help developers quickly set up their local
development environment by copying and customizing them.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

reports-app/backend/.env.example

@@ -0,0 +1,39 @@
+# Oracle Database Configuration (prin SSH tunnel)
+# IMPORTANT: Conectare la schema CONTAFIN_ORACLE pentru authentication
+# Schema CONTAFIN_ORACLE conține utilizatorii și pack_drepturi.verificautilizator
+# Fiecare firmă este o schema separată în Oracle
+ORACLE_USER=CONTAFIN_ORACLE
+ORACLE_PASSWORD=SET_IN_PRODUCTION_ENV
+ORACLE_HOST=localhost
+ORACLE_PORT=1526
+ORACLE_SID=ROA
+
+# Authentication Flow Information:
+# 1. Conectare la CONTAFIN_ORACLE schema
+# 2. Verificare user/pass prin pack_drepturi.verificautilizator(username, password)
+# 3. Citire drepturi/firme din vdef_util_grup WHERE id_util = user_id
+# 4. User selectează firma/schema pentru acces la date
+
+# Test User Credentials (pentru dezvoltare):
+# 🔐 SECURITY: Nu pune credențiale reale în acest fișier!
+# Username: "SET_IN_PRODUCTION"
+# Password: "SET_IN_PRODUCTION"
+# Are acces la 66+ firme/scheme Oracle 
+
+# SSH Tunnel Setup Required:
+# Rulează: ./ssh_tunnel.sh start
+# Verifică: ./ssh_tunnel.sh status
+
+# JWT Configuration
+# 🔐 SECURITY: Generate a strong secret key in production!
+JWT_SECRET_KEY=GENERATE_STRONG_SECRET_IN_PRODUCTION
+ACCESS_TOKEN_EXPIRE_MINUTES=30
+REFRESH_TOKEN_EXPIRE_DAYS=7
+
+# Application Configuration
+API_HOST=0.0.0.0
+API_PORT=8000
+DEBUG=True
+
+# CORS Configuration
+FRONTEND_URLS=http://localhost:3000,http://localhost:5173

reports-app/frontend/.env.example

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+# API Configuration
+VITE_API_BASE_URL=http://localhost:8000
+VITE_API_TIMEOUT=10000
+
+# Application Configuration
+VITE_APP_TITLE=ROA Reports
+VITE_APP_VERSION=1.0.0
+
+# Telegram Bot Configuration
+VITE_TELEGRAM_BOT_USERNAME=roa2web_bot
+
+# Development Configuration
+VITE_DEBUG=true
+VITE_LOG_LEVEL=debug

reports-app/telegram-bot/.dockerignore

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+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+*.egg-info/
+dist/
+build/
+*.egg
+
+# Virtual environments
+venv/
+env/
+ENV/
+.venv
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# SQLite database files
+*.db
+*.db-shm
+*.db-wal
+data/*.db
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Git
+.git/
+.gitignore
+.gitattributes
+
+# Documentation
+*.md
+docs/
+
+# Docker
+Dockerfile
+.dockerignore
+docker-compose*.yml
+
+# CI/CD
+.github/
+.gitlab-ci.yml
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+logs/

reports-app/telegram-bot/.env.example

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+# ============================================================================
+# ROA2WEB Telegram Bot - Environment Configuration
+# ============================================================================
+# Copy this file to .env and fill in your actual values
+# IMPORTANT: Never commit .env file to git!
+
+# ============================================================================
+# REQUIRED CONFIGURATION
+# ============================================================================
+
+# Telegram Bot Configuration
+# Obtain from @BotFather on Telegram
+TELEGRAM_BOT_TOKEN=your_bot_token_here
+
+# Claude Authentication Configuration
+# ============================================================================
+# You have TWO options for Claude authentication:
+#
+# OPTION 1: API Key (pay per token - requires API credits)
+# - Get API key from: https://console.anthropic.com/
+# - Set CLAUDE_API_KEY below
+# - You will be charged per API usage (separate from Claude subscription)
+#
+# OPTION 2: Claude Pro/Max Subscription (RECOMMENDED if you have subscription)
+# - If you have Claude Pro or Claude Max subscription
+# - Run: claude-code login (one-time setup)
+# - Leave CLAUDE_API_KEY empty or commented out
+# - You won't pay extra API credits (uses your existing subscription)
+#
+# For development/local usage: Use Option 2 if you have subscription
+# For Docker/production: Use Option 1 (API key is simpler in containers)
+# ============================================================================
+
+# OPTION 1: Set this if using API key
+CLAUDE_API_KEY=
+
+# OPTION 2: Leave empty and run "claude-code login" before starting bot
+
+# Backend API URL
+# Development: http://localhost:8001
+# Docker: http://roa-backend:8000
+BACKEND_URL=http://roa-backend:8000
+
+# ============================================================================
+# DATABASE CONFIGURATION
+# ============================================================================
+
+# SQLite Database Path (STANDALONE)
+# This is where user data, auth codes, and sessions are stored
+# Development: ./data/telegram_bot.db
+# Docker: /app/data/telegram_bot.db
+SQLITE_DB_PATH=/app/data/telegram_bot.db
+
+# ============================================================================
+# NETWORKING CONFIGURATION
+# ============================================================================
+
+# Internal API Port (for backend to call telegram-bot)
+# This port is used by the backend to save auth codes
+INTERNAL_API_PORT=8002
+
+# ============================================================================
+# OPTIONAL CONFIGURATION
+# ============================================================================
+
+# Logging Level
+# Options: DEBUG, INFO, WARNING, ERROR, CRITICAL
+LOG_LEVEL=INFO
+
+# Sentry DSN for error monitoring (optional)
+# Get from: https://sentry.io/
+SENTRY_DSN=
+
+# Environment
+# Options: development, production
+ENVIRONMENT=production