add build step before running test, add build github action

Author: Anmol1696

.github/workflows/build.yaml

@@ -0,0 +1,30 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  e2e-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository 📝
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.x"
+          cache: "yarn"
+
+      - name: Install Dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build contracts
+        run: yarn build

.github/workflows/e2e-tests.yaml

@@ -30,6 +30,9 @@ jobs:
       - name: Install Dependencies
         run: yarn install --frozen-lockfile
 
+      - name: Build contracts
+        run: yarn build
+
       - name: Set Up Starship Infrastructure
         id: starship-infra
         uses: cosmology-tech/[email protected]