feat: include provider type in schema (#34)

Author: jiashengguo

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@zenstackhq/proxy",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "description": "A CLI tool to run an Express server that proxies CRUD requests to a ZenStack backend",
   "main": "index.js",
   "publishConfig": {

src/server.ts

@@ -384,7 +384,14 @@ export async function startServer(options: ServerOptions) {
 
   // Schema metadata endpoint
   app.get('/api/schema', (_req, res: express.Response) => {
-    const result = { ...modelMeta, enums: enums, zenstackVersion }
+    const result = {
+      ...modelMeta,
+      enums: enums,
+      zenstackVersion,
+      provider: {
+        type: zmodelConfig.datasource.provider,
+      },
+    }
     res.json(result)
   })