seo: cleanup and optimize roadmap(s) metadata (#8828)

* audit first 11 roadmaps

* audit next 10 roadmaps

* audit next 15 roadmaps

* audit last 22 roadmaps

* Update src/data/roadmaps/ai-data-scientist/ai-data-scientist.md

* Update src/data/roadmaps/aspnet-core/aspnet-core.md

* apply suggestions from code review

* fix seo title

* Update src/data/roadmaps/frontend/frontend.md

* Update src/data/roadmaps/backend/backend.md

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Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

src/data/roadmaps/angular/angular.md

@@ -24,6 +24,7 @@ seo:
     - 'guide to becoming a angular developer'
     - 'angular developer roadmap'
     - 'angular roadmap'
+    - 'angular roadmap 2025'
     - 'become angular developer'
     - 'angular developer skills'
     - 'angular skills test'
@@ -32,6 +33,16 @@ seo:
     - 'what is angular'
     - 'angular quiz'
     - 'angular interview questions'
+    - 'future of angular development'
+    - 'angular learning path'
+    - 'angular tutorial'
+    - 'angular for beginners'
+    - 'how to learn angular'
+    - 'angular fundamentals'
+    - 'angular developer career'
+    - 'frontend developer angular'
+    - 'typescript for angular'
+    - 'angular architecture 2025'
 relatedRoadmaps:
   - 'frontend'
   - 'javascript'