Refactor plugin manager and gRPC server (#96)

src-web/hooks/useInstallPlugin.ts

@@ -0,0 +1,13 @@
+import { useMutation } from '@tanstack/react-query';
+import { trackEvent } from '../lib/analytics';
+import { invokeCmd } from '../lib/tauri';
+
+export function useInstallPlugin() {
+  return useMutation<void, unknown, string>({
+    mutationKey: ['install_plugin'],
+    mutationFn: async (directory: string) => {
+      await invokeCmd('cmd_install_plugin', { directory });
+    },
+    onSettled: () => trackEvent('plugin', 'create'),
+  });
+}