Update main.yml

.github/workflows/main.yml

@@ -8,7 +8,12 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: '12'
-    - name: Install modules
-      run: yarn install
+    - name: Install dependencies
+      run: 
+        yarn init
+        yarn add eslint --dev
+        yarn install
     - name: Lint
-      run: eslint .
+      run: 
+        yarn run eslint --init
+        eslint .