Use github actions instead of travis (#19)

* Create go.yml

* Remove travis config

* run go vet and staticcheck

* Correct vector.In example

* add staticcheck

.github/workflows/go.yml

@@ -0,0 +1,29 @@
+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: 1.17
+
+    - name: Vet
+      run: go vet
+
+    - uses: dominikh/[email protected]
+      with:
+        version: "2021.1.2"
+
+    - name: Test
+      run: go test -v ./...

examples_test.go

@@ -23,7 +23,7 @@ func Example() {
 	// Output: [5 4 4]
 }
 
-func ExampleInPlace() {
+func ExampleIn() {
 	result, v1, v2 := make(vec, 3), vec{2, 1, 3}, vec{4, 12, 6}
 
 	vector.In(result).