Merge pull request #3176 from swastik959/docs_corr

📖 [docs] : corrected layout of manually_migration_guide_gov3_to_gov4.md

Author: k8s-ci-robot

docs/book/src/migration/manually_migration_guide_gov3_to_gov4.md

@@ -135,15 +135,16 @@ Note that if your project has multiple groups (`multigroup:true`) then the above
 
 The PROJECT tracks the paths of all APIs used in your project. Ensure that they now point to `api/...` as the following example:
 
-Before update:
+**Before update:**
+``` 
   group: crew
   kind: Captain
   path: sigs.k8s.io/kubebuilder/testdata/project-v4/apis/crew/v1
 ```
 
-After Update:
-
+**After Update:**
 ```
+
   group: crew
   kind: Captain
   path: sigs.k8s.io/kubebuilder/testdata/project-v4/api/crew/v1