add workflow_dispatch ci job to build mips bins

.github/workflows/mips-build.yml

@@ -0,0 +1,46 @@
+name: MIPS Build and Package
+
+on:
+  workflow_dispatch:    
+  pull_request:
+  push:
+    paths:             
+      - 'o1vm/resources/programs/mips/**'
+      - 'Makefile'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+
+    - name: Cache apt packages
+      id: apt-cache
+      uses: actions/cache@v4
+      with:
+        path: |
+          /var/lib/apt/lists
+          /var/cache/apt/archives
+        key: ${{ runner.os }}-apt-${{ hashFiles('.github/workflows/mips-build.yml') }}
+
+    - name: Install MIPS tools
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y binutils-mips-linux-gnu
+
+    - name: Build MIPS programs
+      run: make build-mips-programs
+
+    - name: Create ZIP archive
+      run: |
+        cd o1vm/resources/programs/mips
+        zip -r mips-binaries.zip bin/
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: mips-binaries
+        path: o1vm/resources/programs/mips/mips-binaries.zip