Analyze GraphQL Federation with Ballerina GraphQL and Wundergraph

[DimuthuMadushan]

Description:

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sub-tasks:

• [x] Implement federation sample using Ballerina GraphQL & Wundergraph router
• [x] Deploy sample n Choreo
• [x] Research on implementing subgraph security
• [x] Cutomize CDN service in Wundergraph

Repository: https://github.com/wunder-bal?tab=repositories