feat(grpc): preserve comments from protobuf to config when generating config

[meskill]

For generate command when input is protobuf, comments should be preserved in the output config.

To do this for every entity in input file if it has comment add description string with its content to output config type.

Based on RFC

[meskill]

See https://github.com/tokio-rs/prost/blob/b2ce9edbf3267d1dd2ce1533ac6eb1134e7eb783/prost-build/src/code_generator.rs#L126 for reference how to use comments in prost

[tusharmath]

/bounty 200$

[algora-pbc]

💎 $200 bounty • Tailcall Inc.

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Attempt	Started (GMT+0)	Solution
🟢 @mehulmathur16	May 25, 2024, 9:16:35 AM	#2023

[mehulmathur16]

/attempt #1913

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@mehulmathur16	11 tailcallhq bounties + 8 bounties from 4 projects	TypeScript, Rust, HTML & more		Cancel attempt

[algora-pbc]

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[algora-pbc]

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