[Compiler][gRPC][JavaScript] Generate gRPC stubs with Fory codec

[chaokunyang]

Parent issue: #3266

This issue is reserved for gsoc, do not take over it.

Scope

Implement JavaScript/TypeScript gRPC stub generation using Fory serialization only.

Detailed tasks

• Emit service interface and gRPC binding outputs consistent with existing JS/TS generator layout.
• Generate client and server stubs using grpc-js APIs.
• Use Fory serializer/deserializer functions for request/response.
• Add golden codegen tests for file names and signatures.

Notes

Keep runtime dependencies out of Fory; emit helper code as needed.

[chaokunyang]

Added type-generation sub-task:

• [Compiler][JavaScript] Generate message/enum/union types from IDL #3280 Generate message/enum/union types from IDL

[chaokunyang]

Hi @miantalha45 , This issue is reserved for gsoc, Please do not take over it.

[miantalha45]

My bad. sure i will not work it yet.