docs: move cli/build-system to local-dev

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

docs/local-dev/cli-build-system.md

@@ -1,5 +1,5 @@
 ---
-id: builds-system
+id: cli-build-system
 title: Build System
 description: A deep dive into the Backstage build system
 ---

microsite/sidebars.json

@@ -34,7 +34,7 @@
       {
         "type": "subcategory",
         "label": "CLI",
-        "ids": ["local-dev/cli-overview", "local-dev/cli-commands", "local-dev/build-system"]
+        "ids": ["local-dev/cli-overview", "local-dev/cli-commands", "local-dev/cli-build-system"]
       },
       "local-dev/linking-local-packages"
     ],

mkdocs.yml

@@ -31,7 +31,7 @@ nav:
       - CLI:
           - Overview: 'local-dev/cli-overview.md'
           - Commands: 'local-dev/cli-commands.md'
-          - Build System: 'cli/build-system.md'
+          - Build System: 'local-dev/cli-build-system.md'
       - Linking in Local Packages: 'local-dev/linking-local-packages.md'
   - Core Features:
       - Software Catalog: