📝 Add new docs section, How To - Recipes, move docs that don't have to be read by everyone to How To (#10114)

* 📝 Start How To docs section, move Peewee, remove Peewee from dependencies

* 🚚 Move em files to new locations

* 🚚 Move and re-structure advanced docs, move relevant to How To

* 🔧 Update MkDocs config, new files in How To

* 📝 Move docs for Conditional OpenAPI for Japanese to How To

* 📝 Move example source files for Extending OpenAPI into each of the new sections

* ✅ Update tests with new locations for source files

* 🔥 Remove init from Peewee examples

docs_src/custom_docs_ui/tutorial001.py

@@ -0,0 +1,38 @@
+from fastapi import FastAPI
+from fastapi.openapi.docs import (
+    get_redoc_html,
+    get_swagger_ui_html,
+    get_swagger_ui_oauth2_redirect_html,
+)
+
+app = FastAPI(docs_url=None, redoc_url=None)
+
+
+@app.get("/docs", include_in_schema=False)
+async def custom_swagger_ui_html():
+    return get_swagger_ui_html(
+        openapi_url=app.openapi_url,
+        title=app.title + " - Swagger UI",
+        oauth2_redirect_url=app.swagger_ui_oauth2_redirect_url,
+        swagger_js_url="https://unpkg.com/swagger-ui-dist@5/swagger-ui-bundle.js",
+        swagger_css_url="https://unpkg.com/swagger-ui-dist@5/swagger-ui.css",
+    )
+
+
+@app.get(app.swagger_ui_oauth2_redirect_url, include_in_schema=False)
+async def swagger_ui_redirect():
+    return get_swagger_ui_oauth2_redirect_html()
+
+
+@app.get("/redoc", include_in_schema=False)
+async def redoc_html():
+    return get_redoc_html(
+        openapi_url=app.openapi_url,
+        title=app.title + " - ReDoc",
+        redoc_js_url="https://unpkg.com/redoc@next/bundles/redoc.standalone.js",
+    )
+
+
+@app.get("/users/{username}")
+async def read_user(username: str):
+    return {"message": f"Hello {username}"}

docs_src/custom_docs_ui/tutorial002.py

@@ -0,0 +1,41 @@
+from fastapi import FastAPI
+from fastapi.openapi.docs import (
+    get_redoc_html,
+    get_swagger_ui_html,
+    get_swagger_ui_oauth2_redirect_html,
+)
+from fastapi.staticfiles import StaticFiles
+
+app = FastAPI(docs_url=None, redoc_url=None)
+
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
+
+@app.get("/docs", include_in_schema=False)
+async def custom_swagger_ui_html():
+    return get_swagger_ui_html(
+        openapi_url=app.openapi_url,
+        title=app.title + " - Swagger UI",
+        oauth2_redirect_url=app.swagger_ui_oauth2_redirect_url,
+        swagger_js_url="/static/swagger-ui-bundle.js",
+        swagger_css_url="/static/swagger-ui.css",
+    )
+
+
+@app.get(app.swagger_ui_oauth2_redirect_url, include_in_schema=False)
+async def swagger_ui_redirect():
+    return get_swagger_ui_oauth2_redirect_html()
+
+
+@app.get("/redoc", include_in_schema=False)
+async def redoc_html():
+    return get_redoc_html(
+        openapi_url=app.openapi_url,
+        title=app.title + " - ReDoc",
+        redoc_js_url="/static/redoc.standalone.js",
+    )
+
+
+@app.get("/users/{username}")
+async def read_user(username: str):
+    return {"message": f"Hello {username}"}