Update docker-compose and README for Telegram bot integration; add environment file reference and clarify port usage in documentation.

pytest.ini

@@ -0,0 +1,16 @@
+[tool:pytest]
+testpaths = tests
+python_files = test_*.py
+python_classes = Test*
+python_functions = test_*
+addopts = 
+    -v
+    --tb=short
+    --strict-markers
+    --disable-warnings
+markers =
+    slow: marks tests as slow (deselect with '-m "not slow"')
+    integration: marks tests as integration tests
+    unit: marks tests as unit tests
+asyncio_mode = auto
+asyncio_default_fixture_loop_scope = function