should bump to version specified by --new-version if present (#3)

* update Cargo.lock

* better error message when failed to get current version from config

* should bump to version specified by --new-version if present

* fix: update docs && add CI

---------

Co-authored-by: 莫仲华 <mozhonghua@qiyi.com>

.github/workflows/rustfmt.yml

@@ -0,0 +1,28 @@
+name: Rust Format Check
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  rustfmt:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        profile: minimal
+        toolchain: stable
+        components: rustfmt
+
+    - name: Run rustfmt
+      run: cargo fmt -- --check