chore: initialize qiming workspace repository

qimingcode/packages/plugin/src/example.ts

@@ -0,0 +1,18 @@
+import { Plugin } from "./index.js"
+import { tool } from "./tool.js"
+
+export const ExamplePlugin: Plugin = async (_ctx) => {
+  return {
+    tool: {
+      mytool: tool({
+        description: "This is a custom tool",
+        args: {
+          foo: tool.schema.string().describe("foo"),
+        },
+        async execute(args) {
+          return `Hello ${args.foo}!`
+        },
+      }),
+    },
+  }
+}