ci: add ci and release workflows

Author: smol-ninja

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: "CI"
+
+concurrency:
+  cancel-in-progress: true
+  group: ${{github.workflow}}-${{github.ref}}
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: ["main"]
+
+jobs:
+  ci:
+    runs-on: "ubuntu-latest"
+    steps:
+      - name: "Check out the repo"
+        uses: "actions/checkout@v5"
+
+      - name: Set up devkit
+        uses: sablier-labs/devkit/actions/setup@main
+        with:
+          package-manager: bun
+
+      - name: "Install dependencies"
+        run: "bun install --frozen-lockfile"
+
+      - name: "Run the code checks"
+        run: "just full-check"
+
+      - name: "Build package"
+        run: "just tsc-build"
+
+      - name: "Run tests"
+        run: "just test"
+
+      - name: "Add summary"
+        run: |
+          echo "## Continuous Deployment results" >> $GITHUB_STEP_SUMMARY
+          echo "✅ Passed" >> $GITHUB_STEP_SUMMARY

.github/workflows/release.yml

@@ -0,0 +1,35 @@
+# Creates GitHub releases automatically when version tags (e.g. v1.0.0) are pushed.
+# Also, syncs the major version branch (e.g. v1) with the release tag.
+name: Release
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v5
+
+      - name: Create Github release
+        uses: docker://antonyurchenko/git-release:v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Sync major version branch with release tag
+        run: | #shell
+          # Extract major version from tag (e.g., v1.2.3 -> v1)
+          TAG_NAME="${{ github.ref_name }}"
+          MAJOR_VERSION=$(echo "$TAG_NAME" | cut -d. -f1)
+          MAJOR_BRANCH="$MAJOR_VERSION"
+
+          echo "Syncing branch '$MAJOR_BRANCH' with tag '$TAG_NAME'"
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git fetch origin "$MAJOR_BRANCH" || true
+          git checkout -B "$MAJOR_BRANCH"
+          git push origin "$MAJOR_BRANCH" --force