Update main.workflow

.github/main.workflow

@@ -0,0 +1,19 @@
+workflow "Release" {
+  on = "push"
+  resolves = ["goreleaser"]
+}
+
+action "is-tag" {
+  uses = "actions/bin/filter@master"
+  args = "tag"
+}
+
+action "goreleaser" {
+  uses = "docker://goreleaser/goreleaser"
+  secrets = [
+    "GITHUB_TOKEN",
+  ]
+
+  args = "release"
+  needs = ["is-tag"]
+}