Add MUSL builds to GH Actions

.github/workflows/main-rust.yml

@@ -34,6 +34,9 @@ jobs:
       - name: Build
         run: cargo build --release
 
+      - name: Build MUSL
+        run: cargo build --release --target x86_64-unknown-linux-musl
+
       - name: Publish to crates.io
         if: github.event_name == 'release'
         run: cargo publish --no-verify --token ${{ secrets.CARGO_REGISTRY_TOKEN }}
@@ -54,6 +57,15 @@ jobs:
       - name: Calculate SHA256 checksum
         run: sha256sum target/release/libreddit > libreddit.sha256
         
+      - name: Calculate MUSL SHA512 checksum
+        run: sha512sum target/x86_64-unknown-linux-musl/release/libreddit > libreddit-musl.sha512
+
+      - name: Calculate MUSL SHA256 checksum
+        run: sha256sum target/x86_64-unknown-linux-musl/release/libreddit > libreddit-musl.sha256
+        
+      - name: Move MUSL binary
+        run: mv target/x86_64-unknown-linux-musl/release/libreddit target/x86_64-unknown-linux-musl/release/libreddit-musl
+      
       - name: Release
         uses: softprops/action-gh-release@v1
         if: github.base_ref != 'master'
@@ -65,6 +77,9 @@ jobs:
             target/release/libreddit
             libreddit.sha512
             libreddit.sha256
+            target/x86_64-unknown-linux-musl/release/libreddit-musl
+            libreddit-musl.sha512
+            libreddit-musl.sha256
           body: |
             - ${{ github.event.head_commit.message }} ${{ github.sha }}
           generate_release_notes: true