Add a github workflow to build the tool

.github/workflows/go.yml

@@ -0,0 +1,22 @@
+name: Go
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.15
+
+    - name: Build
+      run: go build -mod=vendor -ldflags "-X main.version=0.0.1" && test $(./tty-share --version) = 0.0.1