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/create-app/templates/default-app/app-config.yaml.hbs

@@ -46,6 +46,8 @@ proxy:
 techdocs:
   storageUrl: http://localhost:7000/techdocs/static/docs
   requestUrl: http://localhost:7000/techdocs/docs
+  generators:
+    techdocs: 'docker'
 
 lighthouse:
   baseUrl: http://localhost:3003

packages/create-app/templates/default-app/packages/backend/src/plugins/techdocs.ts

@@ -15,7 +15,7 @@ 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);