set up crates.io deployment in github actions

.github/workflows/deployment.yaml

@@ -2,6 +2,8 @@ name: deployment
 
 on:
   push:
+    branches:
+      - master
     tags:
       - v*
 
@@ -21,7 +23,7 @@ jobs:
           release_name: ${{ github.ref }}
           draft: false
           prerelease: false
-  build:
+  deploy_binaries:
     needs: create_release
     runs-on: ${{ matrix.os }}
     strategy:
@@ -65,3 +67,19 @@ jobs:
           asset_path: himalaya.tar.gz
           asset_name: himalaya-${{ matrix.os_name }}.tar.gz
           asset_content_type: application/gzip
+  deploy_crate:
+    needs: create_release
+    runs-on: linux
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Install rust
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: stable
+      - name: Check project
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+      - name: Publish package to crates.io
+        run: cargo publish