Build CI workflow pipeline

.github/workflows/build_ci.yml

@@ -0,0 +1,20 @@
+name: Build CI
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build Brainfuck Assembler
+        run: |
+          chmod +x build
+          ./build
+          ls ./dist