ci: add build workflow

Author: invertedEcho

.github/workflows/rust.yml

@@ -0,0 +1,31 @@
+name: Build
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain:
+          - stable
+          - beta
+          - nightly
+
+    steps:
+    - name: Update apt repositories
+      run: sudo apt update
+    - name: Install mold linker
+      run: sudo apt install mold
+    - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
+    - uses: actions/checkout@v4
+    - name: Build
+      run: cargo build --verbose