ci: use yarn scripts

Author: SharzyL

.github/workflows/deploy.yml

@@ -24,8 +24,8 @@ jobs:
 
       - name: "Test"
         run: |
-          yarn prettier -c .
-          yarn eslint .
+          yarn fmt
+          yarn lint
           yarn test
 
       - name: "Deploy"

README.md

@@ -42,6 +42,7 @@ You are free to deploy the pastebin on your own domain if you host your domain o
 ```console
 $ yarn install
 $ yarn wrangler login
+$ yarn build:frontend
 $ yarn deploy
 ```