chore: Github release configuration and workflows

.github/.release-manifest.json

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+{
+  ".": "0.1.0"
+}

.github/release-config.json

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+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "changelog-sections": [
+    {
+      "type": "feat",
+      "section": "Features",
+      "hidden": false
+    },
+    {
+      "type": "fix",
+      "section": "Bug Fixes",
+      "hidden": false
+    },
+    {
+      "type": "perf",
+      "section": "Performance",
+      "hidden": false
+    },
+    {
+      "type": "refactor",
+      "section": "Refactoring",
+      "hidden": false
+    },
+    {
+      "type": "docs",
+      "section": "Documentation",
+      "hidden": false
+    },
+    {
+      "type": "chore",
+      "section": "Chores",
+      "hidden": false
+    }
+  ],
+  "packages": {
+    ".": {
+      "release-type": "rust",
+      "package-name": "macaw"
+    }
+  }
+}

.github/workflows/release.yml

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+name: Release Please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    outputs:
+      releases_created: ${{ steps.release.outputs.releases_created }}
+      tag_name: ${{ steps.release.outputs.tag_name }}
+    steps:
+      - name: Run release-please
+        id: release
+        uses: googleapis/release-please-action@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          config-file: .github/release-config.json
+          manifest-file: .github/.release-manifest.json
+
+  binary-build:
+    runs-on: ubuntu-latest
+    needs:
+      - release-please
+    if: needs.release-please.outputs.releases_created == 'true'
+    steps:
+      - name: Check out main
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build Linux x86_64 binary
+        run: cargo build --release --locked --bin macaw
+
+      - name: Package binary
+        run: tar -C target/release -czf macaw-x86_64-unknown-linux-gnu.tar.gz macaw
+
+      - name: Upload binary to GitHub release
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG_NAME: ${{ needs.release-please.outputs.tag_name }}
+        run: gh release upload "$TAG_NAME" macaw-x86_64-unknown-linux-gnu.tar.gz