📝 Add Path params and numeric validators docs

docs/tutorial/src/path-params-numeric-validations/tutorial001.py

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+from fastapi import FastAPI, Path, Query
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    item_id: int = Path(..., title="The ID of the item to get"),
+    q: str = Query(None, alias="item-query"),
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results

docs/tutorial/src/path-params-numeric-validations/tutorial002.py

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+from fastapi import FastAPI, Path
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    q: str, item_id: int = Path(..., title="The ID of the item to get")
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results

docs/tutorial/src/path-params-numeric-validations/tutorial003.py

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+from fastapi import FastAPI, Path
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    *, item_id: int = Path(..., title="The ID of the item to get"), q: str
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results

docs/tutorial/src/path-params-numeric-validations/tutorial004.py

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+from fastapi import FastAPI, Path
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    *, item_id: int = Path(..., title="The ID of the item to get", ge=1), q: str
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results

docs/tutorial/src/path-params-numeric-validations/tutorial005.py

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+from fastapi import FastAPI, Path
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    *,
+    item_id: int = Path(..., title="The ID of the item to get", gt=0, le=1000),
+    q: str,
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results

docs/tutorial/src/path-params-numeric-validations/tutorial006.py

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+from fastapi import FastAPI, Path, Query
+
+app = FastAPI()
+
+
+@app.get("/items/{item_id}")
+async def read_items(
+    *,
+    item_id: int = Path(..., title="The ID of the item to get", ge=0, le=1000),
+    q: str,
+    size: float = Query(..., gt=0, lt=10.5)
+):
+    results = {"item_id": item_id}
+    if q:
+        results.update({"q": q})
+    return results