Update main.workflow

Author: purocean

.github/main.workflow

@@ -0,0 +1,10 @@
+workflow "New workflow" {
+  on = "push"
+  resolves = ["maven-publish"]
+}
+
+action "maven-publish" {
+  uses = "./gradlew"
+  runs = "./gradlew"
+  args = "build"
+}