feat(11.1-03): add the Setup and Console docs sections

- setup: introduction, installation rewritten from install to serve,
  configuration with the keys an application sets
- console: introduction, setup and maintenance, scaffolding, writing
  commands, utilities; every command name is checker-verified
- bonfire ExampleCatalog shows arguments, bare and repeatable flags
- index links the section introductions; TestDocsRequiredPages lists
  the seven new pages

docs/site.yaml

@@ -17,5 +17,7 @@ sections:
     title: Architecture
   - name: plugins
     title: Plugins
+  - name: console
+    title: Console
   - name: api
     title: API reference