Fix telegram-archiver: graceful startup without .env + dev tools

telegram-archiver/.pre-commit-config.yaml

@@ -0,0 +1,29 @@
+"""Pre-commit configuration."""
+
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.14
+    hooks:
+      - id: ruff
+        args: [--fix, --exit-non-zero-on-fix]
+      - id: ruff-format
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.8.0
+    hooks:
+      - id: mypy
+        additional_dependencies:
+          - pydantic>=2.5.3
+          - pydantic-settings>=2.1.0
+          - fastapi>=0.109.0
+          - telethon>=1.34.0
+        args: [--ignore-missing-imports]
+
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+        args: ['--maxkb=10000']