feat: add github action

Author: aitemr

.github/main.workflow

@@ -0,0 +1,9 @@
+workflow "New workflow" {
+ on = "push"
+ resolves = ["swiftlint"]
+}
+
+action "swiftlint" {
+ uses = "norio-nomura/action-swiftlint@master"
+ secrets = ["GITHUB_TOKEN"]
+}