add basic github actions workflow

.github/workflows/pomo.yaml

@@ -0,0 +1,26 @@
+name: pomo
+
+on: ["push"]
+
+jobs:
+
+  build:
+    name: build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: setup go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.14
+      id: go
+
+    - name: check out
+      uses: actions/checkout@v2
+
+    - name: dependencies
+      run: |
+        go get -v -t -d ./...
+
+    - name: build
+      run: make

go.mod

@@ -1,5 +1,7 @@
 module github.com/kevinschoon/pomo
 
+go 1.15
+
 require (
 	github.com/0xAX/notificator v0.0.0-20181105090803-d81462e38c21
 	github.com/fatih/color v1.7.0