Update main.workflow

Author: dielduarte

.github/main.workflow

@@ -0,0 +1,29 @@
+workflow "Build, Test, and Publish" {
+  on = "push"
+  resolves = ["Publish"]
+}
+
+action "Build" {
+  uses = "actions/npm@master"
+  args = "install"
+}
+
+action "Test" {
+  needs = "Build"
+  uses = "actions/npm@master"
+  args = "test"
+}
+
+# Filter for a new tag
+action "Tag" {
+  needs = "Test"
+  uses = "actions/bin/filter@master"
+  args = "tag"
+}
+
+action "Publish" {
+  needs = "Tag"
+  uses = "actions/npm@master"
+  args = "publish --access public"
+  secrets = ["NPM_AUTH_TOKEN"]
+}