Initial commit with support for GitHub actions

.github/main.workflow

@@ -0,0 +1,21 @@
+workflow "check-and-release" {
+  on = "push"
+  resolves = ["release"]
+}
+
+action "check" {
+  uses = "./.github/actions/check"
+}
+
+ action "branch-filter" {
+  needs = ["check"]
+  uses = "actions/bin/filter@master"
+  args = "tag v*"
+ }
+
+ action "release" {
+  needs = ["branch-filter"]
+  uses = "docker://goreleaser/goreleaser:v0.97"
+  args = "release"
+  secrets = ["GITHUB_TOKEN"]
+ }