fix github actions

- remove yarn plugin
- install deps instead of lerna bootstrap
- add missing files

Author: Xiaoxing Hu

.github/workflows/ut.yml

@@ -15,6 +15,6 @@ jobs:
         node-version: 14
     - name: bootstrap and test
       run: |
-        yarn run bootstrap
+        yarn install
         yarn run compile
         yarn test

.yarnrc.yml

@@ -1,6 +1,2 @@
-plugins:
-  - path: .yarn/plugins/@yarnpkg/plugin-typescript.cjs
-    spec: "@yarnpkg/plugin-typescript"
-
 yarnPath: .yarn/releases/yarn-berry.cjs
 nodeLinker: node-modules

packages/next/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "outDir": "./dist"
+  },
+  "references": [
+    { "path": "../rehype-estree" },
+    { "path": "../reorg-rehype" },
+    { "path": "../estree-jsx" },
+    { "path": "../loader" }
+  ],
+  "include": ["./src"]
+}