add node modules

node_modules/@octokit/endpoint/dist-src/util/extract-url-variable-names.js

@@ -0,0 +1,14 @@
+const urlVariableRegex = /\{[^}]+\}/g;
+function removeNonChars(variableName) {
+  return variableName.replace(/^\W+|\W+$/g, "").split(/,/);
+}
+function extractUrlVariableNames(url) {
+  const matches = url.match(urlVariableRegex);
+  if (!matches) {
+    return [];
+  }
+  return matches.map(removeNonChars).reduce((a, b) => a.concat(b), []);
+}
+export {
+  extractUrlVariableNames
+};