docs: скелет проекта — CLAUDE.md, регламент, шаблон issue, черновик ТЗ

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,25 @@
+# secrets
+.env
+.env.*
+!.env.example
+*.pem
+id_*
+
+# python
+__pycache__/
+*.py[cod]
+.venv/
+.pytest_cache/
+.ruff_cache/
+.mypy_cache/
+.coverage
+htmlcov/
+dist/
+build/
+*.egg-info/
+
+# editors / tools
+.idea/
+.vscode/
+.claude/worktrees/
+.DS_Store