Update and rename pullrequest.workflow to main.workflow

.github/main.workflow

@@ -0,0 +1,13 @@
+workflow "Lint Awesome List on Pull Request" {
+  resolves = ["max/awesome-lint"]
+  on = "pull_request"
+}
+
+action "max/awesome-lint" {
+  uses = "max/awesome-lint@1.0.0"
+}
+
+workflow "Lint Awesome List on Push" {
+  on = "push"
+  resolves = ["max/awesome-lint"]
+}

.github/pullrequest.workflow

@@ -1,8 +0,0 @@
-workflow "Lint Awesome List" {
-  resolves = ["max/awesome-lint"]
-  on = "pull_request"
-}
-
-action "max/awesome-lint" {
-  uses = "max/awesome-lint@1.0.0"
-}