message: fix(docs-infra): add hamburger button to CLI COMMANDS section
  Currently, when we navigate in the `CLI COMMANDS` section, the "hamburger button" isn't present because the class css `folder-cli` is missing.
  This PR add this class in order to show this button when we are in this section.
  PR Close
diff: @@ -47,6 +47,7 @@ aio-shell.page-resources mat-toolbar.mat-toolbar {
  // DOCS PAGES OVERRIDE: HAMBURGER
  aio-shell.folder-api mat-toolbar.mat-toolbar,
  +aio-shell.folder-cli mat-toolbar.mat-toolbar,
  aio-shell.folder-docs mat-toolbar.mat-toolbar,
  aio-shell.folder-guide mat-toolbar.mat-toolbar,
  aio-shell.folder-tutorial mat-toolbar.mat-toolbar {
  