Adding example code for patch.

Author: rhysrevans3

stac_fastapi/types/stac_fastapi/types/core.py

@@ -92,6 +92,15 @@ def patch_item(
 
         Called with `PATCH /collections/{collection_id}/items/{item_id}`
 
+        example:
+            # convert merge patch item to list of operations
+            if isinstance(patch, PartialItem):
+                patch = patch.operations()
+
+            item = backend.update_item(collection_id, item_id, patch)
+
+            return item
+
         Args:
             item_id: id of the item.
             collection_id: id of the collection.
@@ -166,6 +175,15 @@ def patch_collection(
 
         Called with `PATCH /collections/{collection_id}`
 
+        example:
+            # convert merge patch item to list of operations
+            if isinstance(patch, PartialCollection):
+                patch = patch.operations()
+
+            collection = backend.update_item(collection_id, patch)
+
+            return collection
+
         Args:
             collection_id: id of the collection.
             patch: either the partial collection or list of patch operations.
@@ -247,6 +265,15 @@ async def patch_item(
 
         Called with `PATCH /collections/{collection_id}/items/{item_id}`
 
+        example:
+            # convert merge patch item to list of operations
+            if isinstance(patch, PartialItem):
+                patch = patch.operations()
+
+            item = backend.update_item(collection_id, item_id, patch)
+
+            return item
+
         Args:
             item_id: id of the item.
             collection_id: id of the collection.
@@ -321,6 +348,15 @@ async def patch_collection(
 
         Called with `PATCH /collections/{collection_id}`
 
+        example:
+            # convert merge patch item to list of operations
+            if isinstance(patch, PartialCollection):
+                patch = patch.operations()
+
+            collection = backend.update_item(collection_id, patch)
+
+            return collection
+
         Args:
             collection_id: id of the collection.
             patch: either the partial collection or list of patch operations.