Update build.yaml

.github/workflows/build.yaml

@@ -10,9 +10,24 @@ concurrency:
   cancel-in-progress: true
 jobs:
   build:
-    name: Build and test
+    name: Build
     runs-on: macos-13
     steps:
     - uses: actions/checkout@v4
     - name: List available Xcode versions
       run: ls /Applications | grep Xcode
+    - name: Install Theos
+      uses: Randomblock1/theos-action@v1.4
+        with:
+          # Where to install Theos
+          theos-dir: # optional, default is ${{ github.workspace }}/theos
+          # Where to clone Theos from (git URL)
+          theos-src: # optional, default is https://github.com/theos/theos
+          # Where to clone the iOS SDKs from (GitHub repository URL)
+          theos-sdks: # optional, default is https://github.com/theos/sdks
+          # Which branch to clone from SDK repo
+          theos-sdks-branch: # optional, default is master
+          # Whether to enable Orion, which adds support for Swift tweaks
+          orion: # optional, default is false
+    - name: Run build script
+      run: ./build.sh