chore: add .ncurc.js to avoid npm-check-updates indicating peerDependencies (with eslint) having update available

Author: brettz9

.gitignore

@@ -11,3 +11,4 @@ package-lock.json
 !.npmignore
 !.README
 !.travis.yml
+!.ncurc.js

.ncurc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  // Whitelist all for checking besides `peer` which indicates
+  //   somewhat older versions of `eslint` we still support even
+  //   while our devDeps point to a more recent version
+  "dep": "prod,dev,optional,bundle"
+};