Add HTTP/WebSocket workflow and version sync

[aawadall]

Summary

• update GenerateOptions validation to accept rest and websocket
• expand tests for new transports
• add workflow to build and verify HTTP and WebSocket servers
• sync documentation with latest tag v0.4.1

Testing

• go test ./...
• go test ./... -coverprofile=coverage.out -covermode=atomic

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https://chatgpt.com/codex/tasks/task_e_688ba946ab80832fa1488ecbb9856192

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.22% (target: -1.00%)	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (50536e6)	1098	926	84.34%
Head commit (02fff2e)	1114 (+16)	942 (+16)	84.56% (+0.22%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#72)	49	49	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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