Add related roadmaps

src/data/roadmaps/backend/backend.md

@@ -55,6 +55,7 @@ seo:
     - "backend developer quiz"
     - "backend developer interview questions"
 relatedRoadmaps:
+  - "system-design"
   - "python"
   - "java"
   - "golang"

src/data/roadmaps/javascript/javascript.md

@@ -47,13 +47,13 @@ seo:
     - "javascript quiz"
     - "javascript interview questions"
 relatedRoadmaps:
+  - "nodejs"
+  - "typescript"
   - "frontend"
   - "backend"
-  - "javascript"
   - "react"
   - "angular"
   - "vue"
-  - "nodejs"
 sitemap:
   priority: 1
   changefreq: "monthly"

src/data/roadmaps/nodejs/nodejs.md

@@ -77,12 +77,12 @@ seo:
     - "node.js developer interview questions"
     - "nodejs developer interview questions"
 relatedRoadmaps:
-  - "frontend"
-  - "backend"
   - "javascript"
-  - "react"
-  - "angular"
-  - "vue"
+  - "backend"
+  - "typescript"
+  - "system-design"
+  - "graphql"
+  - "frontend"
 sitemap:
   priority: 1
   changefreq: "monthly"