Middelware update and footer content

static/requirements.txt

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+annotated-types==0.7.0
+anyio==4.7.0
+click==8.1.7
+fastapi==0.115.6
+h11==0.14.0
+httptools==0.6.4
+idna==3.10
+Jinja2==3.1.4
+Markdown==3.7
+markdown-it-py==3.0.0
+MarkupSafe==3.0.2
+mdurl==0.1.2
+pydantic==2.10.3
+pydantic_core==2.27.1
+python-dotenv==1.0.1
+PyYAML==6.0.2
+sniffio==1.3.1
+starlette==0.41.3
+typing_extensions==4.12.2
+uvicorn==0.32.1
+uvloop==0.21.0
+watchfiles==1.0.0
+websockets==14.1