TechDocs: Use a flag to determine if we should use a local mkdocs or techdocs-container (#2503)

* Use a flag to determine wether to use techdocs-container or local install of mkdocs

* Updated techdocs generator to look at app-config string instead of argument to decide how to run the generator

* Removed console log...

* Reverted scaffolder file that was accidentally committed.

* Fixed lint issues

* Added config to create-app template

packages/backend/src/plugins/techdocs.ts

@@ -31,7 +31,7 @@ export default async function createPlugin({
   config,
 }: PluginEnvironment) {
   const generators = new Generators();
-  const techdocsGenerator = new TechdocsGenerator(logger);
+  const techdocsGenerator = new TechdocsGenerator(logger, config);
   generators.register('techdocs', techdocsGenerator);
 
   const preparers = new Preparers();