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

---------

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

src/data/roadmaps/sql/sql.md

@@ -22,7 +22,7 @@ courses:
     instructor:
       name: 'Kamran Ahmed'
       image: 'https://github.com/kamranahmedse.png'
-      title: 'Founder roadmap.sh'
+      title: 'Founder - roadmap.sh'
 dimensions:
   width: 968
   height: 2270
@@ -33,22 +33,22 @@ schema:
   datePublished: '2023-07-10'
   dateModified: '2023-07-10'
 seo:
-  title: 'SQL Roadmap - roadmap.sh'
+  title: 'SQL Roadmap'
   description: 'Comprehensive roadmap to learn SQL from scratch in 2025. From basic syntax to advanced querying, this step-by-step guide will equip you with the skills needed to excel in database management and data analysis.'
   ogImageUrl: 'https://roadmap.sh/og-images/sql-roadmap.png'
   keywords:
+    - 'sql'
     - 'sql tutorial'
-    - 'step by step guide for sql'
     - 'sql for beginners'
     - 'how to learn sql'
+    - 'step by step guide for sql'
     - 'use sql in production'
-    - 'sql roadmap 2024'
     - 'guide to learning sql'
     - 'sql roadmap'
+    - 'sql roadmap 2024'
+    - 'sql roadmap 2025'
     - 'sql learning path'
     - 'sql learning roadmap'
-    - 'container roadmap'
-    - 'sql'
     - 'sql learning guide'
     - 'sql skills'
     - 'sql for development'
@@ -65,6 +65,7 @@ relatedRoadmaps:
   - 'postgresql-dba'
   - 'backend'
   - 'devops'
+  - 'cpp'
 sitemap:
   priority: 1
   changefreq: 'monthly'