add CI pipeline with lint, test, build

node_modules/handlebars/lib/handlebars/safe-string.js

@@ -0,0 +1,10 @@
+// Build out our basic SafeString type
+function SafeString(string) {
+  this.string = string;
+}
+
+SafeString.prototype.toString = SafeString.prototype.toHTML = function() {
+  return '' + this.string;
+};
+
+export default SafeString;