added workflow

.github/main.workflow

@@ -0,0 +1,76 @@
+action "NPM Install" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  args = "ci"
+}
+
+action "NPM Test" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["NPM Install"]
+  args = "test"
+}
+
+action "Patch Version" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["NPM Test"]
+  args = "version patch"
+}
+
+action "GitHub Action for npm" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["Patch Version"]
+  args = "run build"
+}
+
+action "GitHub Action for npm-1" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["GitHub Action for npm"]
+  args = "publish"
+  secrets = ["NPM"]
+}
+
+action "NPM-" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  args = "ci"
+}
+
+workflow "NPM build, test and ship" {
+  on = "push"
+  resolves = ["NPM Publish"]
+}
+
+action "NPM-Install" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  args = "ci"
+}
+
+action "NPM-Test" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["NPM-Install"]
+  args = "test"
+}
+
+action "Ship PR" {
+  uses = "actions/bin/filter@3c0b4f0e63ea54ea5df2914b4fabf383368cd0da"
+  needs = ["NPM-Test"]
+  args = "branch master"
+}
+
+action "NPM-Patch" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["Ship PR"]
+  args = "version patch"
+  secrets = ["GITHUB_TOKEN"]
+}
+
+action "NPM-Build" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["NPM-Patch"]
+  args = "run build"
+}
+
+action "NPM Publish" {
+  uses = "actions/npm@59b64a598378f31e49cb76f27d6f3312b582f680"
+  needs = ["NPM-Build"]
+  args = "publish"
+  secrets = ["NPM"]
+}

.gitignore

@@ -36,3 +36,4 @@ jspm_packages
 # Optional REPL history
 .node_repl_history
 lib
+.DS_Store