feat: Convert model files to JS

packages/backend/src/models/config.js

@@ -0,0 +1,18 @@
+import Base from './base';
+
+class Config extends Base {
+  static tableName = 'config';
+
+  static jsonSchema = {
+    type: 'object',
+    required: ['key', 'value'],
+
+    properties: {
+      id: { type: 'string', format: 'uuid' },
+      key: { type: 'string', minLength: 1 },
+      value: { type: 'object' },
+    },
+  };
+}
+
+export default Config;