feat(ci): create ci with rustfmt, lint and test

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+  BITCOIN_CORE_VERSION: "29.0"
+
+jobs:
+  fmt:
+    name: rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+
+  clippy:
+    name: clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy --workspace --all-targets -- -D warnings
+
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Install Bitcoin Core
+        run: |
+          wget -q "https://bitcoincore.org/bin/bitcoin-core-${BITCOIN_CORE_VERSION}/bitcoin-${BITCOIN_CORE_VERSION}-x86_64-linux-gnu.tar.gz"
+          tar xzf "bitcoin-${BITCOIN_CORE_VERSION}-x86_64-linux-gnu.tar.gz"
+          sudo cp "bitcoin-${BITCOIN_CORE_VERSION}/bin/bitcoind" /usr/local/bin/
+          bitcoind --version
+
+      - run: cargo test --workspace