feat: Initial working version of tmux package

.github/workflows/ci.yml

@@ -0,0 +1,16 @@
+name: CI
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go 1.13
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.13
+      - name: Check out the code
+        uses: actions/checkout@v1
+      - name: Run all tests
+        run: make test