Add missing docs link for GeneratorDefinition/GeneratorInstance

Author: LucasG0

backend/infrahub/core/models.py

@@ -513,9 +513,7 @@ def diff(self, other: Self) -> HashableModelDiff:
         in_both, local_only, other_only = compare_lists(
             list1=list(self.model_fields.keys()), list2=list(other.model_fields.keys())
         )
-        diff_result = HashableModelDiff(
-            added={item: None for item in local_only}, removed={item: None for item in other_only}
-        )
+        diff_result = HashableModelDiff(added=dict.fromkeys(local_only), removed=dict.fromkeys(other_only))
 
         for field_name in in_both:
             if field_name.startswith("_") or field_name in self._exclude_from_hash:

backend/infrahub/core/schema/basenode_schema.py

@@ -143,9 +143,9 @@ def _diff_element(
 
         elements_diff = HashableModelDiff()
         if present_local:
-            elements_diff.added = {name: None for name in present_local}
+            elements_diff.added = dict.fromkeys(present_local)
         if present_other:
-            elements_diff.removed = {name: None for name in present_other}
+            elements_diff.removed = dict.fromkeys(present_other)
 
         # Process element b
         for name in sorted(present_both):

backend/infrahub/core/schema/definitions/core.py

@@ -1801,6 +1801,7 @@
             "uniqueness_constraints": [["name__value"]],
             "generate_profile": False,
             "inherit_from": [InfrahubKind.TASKTARGET],
+            "documentation": "/topics/generator",
             "attributes": [
                 {"name": "name", "kind": "Text", "unique": True},
                 {"name": "description", "kind": "Text", "optional": True},
@@ -1848,6 +1849,7 @@
             "branch": BranchSupportType.LOCAL.value,
             "generate_profile": False,
             "inherit_from": [InfrahubKind.TASKTARGET],
+            "documentation": "/topics/generator",
             "attributes": [
                 {"name": "name", "kind": "Text"},
                 {