feat(rtmp): add sans-I/O RTMP publish client and publisher node #904

Job	Run time
UI / Lint (TypeScript + ESLint)	39s
Skit / Build	10m 43s
Skit / Lint (fmt + clippy)	3m 57s
E2E / Playwright E2E	15m 28s
Skit / Test	6m 48s
UI / Build	15s
Skit / Test (GPU)	2m 0s
Plugins / Lint (Sherpa-ONNX Plugins)	1m 4s
Plugins / Lint (Whisper)	53s
Plugins / Format Check	19s
UI / Knip (unused code)	18s
UI / Test	30s
Plugins / Lint (NLLB)	2m 23s
Plugins / Lint (Simple Plugins)	57s
All Checks Passed	1s
	46m 15s

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