Auto build binaries for different OS on release

Setup Github actions to build BSD, Darwin, Linux, and Windows binaries.
Fix #21

.github/workflows/release-bsd.yml

@@ -0,0 +1,24 @@
+name: Go
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary (BSDs)
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [freebsd, netbsd, openbsd]
+        goarch: ["386", amd64, arm, arm64]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: wangyoucao577/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          binary_name: "tz"
+          sha256sum: true
+          md5sum: false

.github/workflows/release-darwin.yml

@@ -0,0 +1,24 @@
+name: Go
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary (Darwin)
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [darwin]
+        goarch: ["386", amd64]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: wangyoucao577/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          binary_name: "tz"
+          sha256sum: true
+          md5sum: false

.github/workflows/release-linux.yml

@@ -0,0 +1,24 @@
+name: Go
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary (Linux)
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [linux]
+        goarch: ["386", amd64, arm, arm64, ppc64le, s390x]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: wangyoucao577/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          binary_name: "tz"
+          sha256sum: true
+          md5sum: false

.github/workflows/release-windows.yml

@@ -0,0 +1,24 @@
+name: Go
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary (Windows)
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [windows]
+        goarch: ["386", amd64, arm]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: wangyoucao577/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          binary_name: "tz"
+          sha256sum: true
+          md5sum: false