chore: add scikit-learn usage data (#435)

* chore: add usage data

* style: apply automatic fixes of linters

Co-authored-by: lars-reimann <[email protected]>

Author: lars-reimann

api-editor/data/empty.json renamed to api-editor/data/api/empty.json

@@ -0,0 +1,32 @@
+{
+    "full": {
+        "n_classes": 422,
+        "n_functions": 2962,
+        "n_parameters": 8305
+    },
+    "public": {
+        "n_classes": 271,
+        "n_functions": 1281,
+        "n_parameters": 4308
+    },
+    "after_unused_class_removal": {
+        "n_classes": 215,
+        "n_functions": 1135,
+        "n_parameters": 4005
+    },
+    "after_unused_function_removal": {
+        "n_classes": 215,
+        "n_functions": 684,
+        "n_parameters": 2935
+    },
+    "after_unused_parameter_removal": {
+        "n_classes": 215,
+        "n_functions": 684,
+        "n_parameters": 2127
+    },
+    "after_useless_parameter_removal": {
+        "n_classes": 215,
+        "n_functions": 684,
+        "n_parameters": 1841
+    }
+}