docs(guides): improve Context7 hooks setup guidance

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

Author: factory-ben

docs/docs.json

@@ -227,7 +227,8 @@
             "group": "Building",
             "pages": [
               "guides/building/droid-exec-tutorial",
-              "guides/building/droid-vps-setup"
+              "guides/building/droid-vps-setup",
+              "guides/building/context7-hooks"
             ]
           }
         ]