Add MUSL target

.github/workflows/main-rust.yml

@@ -30,6 +30,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
+          targets: "x86_64-unknown-linux-gnu,x86_64-unknown-linux-musl"
 
       # Building actions
       - name: Build