HTTP support jsonPath; System plugin support save file. (#2969)

* perf: system plugin auto save file

* feat: http support jsonPath

* fix: assistant response

* reset milvus version

* fix: textarea register

* fix: global variable

* delete tip

* doc

packages/plugins/utils.ts

@@ -0,0 +1,15 @@
+import path from 'path';
+import * as fs from 'fs';
+
+const isProduction = process.env.NODE_ENV === 'production';
+
+export const getFileSavePath = (name: string) => {
+  if (isProduction) {
+    return `/app/plugin_file/${name}`;
+  }
+  const filePath = path.join(process.cwd(), 'local', 'plugin_file', name);
+
+  fs.mkdirSync(path.dirname(filePath), { recursive: true });
+
+  return filePath;
+};