chore: improve extract json script

build_helpers/extract_config_json_schema.py

@@ -0,0 +1,17 @@
+"""Script to extract the configuration json schema from config_schema.py file."""
+
+from pathlib import Path
+
+import rapidjson
+
+from freqtrade.configuration.config_schema import CONF_SCHEMA
+
+
+def extract_config_json_schema():
+    schema_filename = Path(__file__).parent / "schema.json"
+    with schema_filename.open("w") as f:
+        rapidjson.dump(CONF_SCHEMA, f, indent=2)
+
+
+if __name__ == "__main__":
+    extract_config_json_schema()