Initial commit: project scaffold, full spec, database schema, bot and cron

- SPEC.md: full project specification from design discussion
- schema.sql: SQLite database schema
- db.py: database wrapper with all query functions
- bot.py: telegram bot entrypoint
- commands.py: all command handlers with admin/creator guards
- cron.py: daily reminder job
- requirements.txt: python-telegram-bot, dateparser
- README.md, CONTRIBUTING.md
- .gitignore

CONTRIBUTING.md

@@ -0,0 +1,34 @@
+# Contributing to JIGAIDO
+
+## Development Setup
+
+```bash
+git clone https://git.fbrns.co/shoko/jigaido.git
+cd jigaido
+python -m venv venv
+source venv/bin/activate
+pip install -r requirements.txt
+
+# Run bot
+export JIGAIDO_BOT_TOKEN="test:token"
+python bot.py
+```
+
+## Code Style
+
+- Python (no strict formatter enforced yet)
+- Async/await for Telegram handlers
+- Type hints where obvious
+- Docstrings for public functions
+
+## Pull Request Workflow
+
+1. Branch from `main`
+2. Make changes
+3. Test locally
+4. Open PR with description of what changed and why
+5. Someone reviews and merges
+
+## Issues
+
+Use GitHub Issues for bugs and feature requests. Please be specific — include error messages, steps to reproduce, and your environment.