gui, man, authors: Update docs, translations, and contributors #2488

Job	Run time
Build and test (windows-latest, ~1.21.7)	3m 40s
Run govulncheck	35s
Build and test (windows-latest, ~1.22.0)	3m 50s
Build and push Docker images (syncthing)	2m 25s
Build and test (ubuntu-latest, ~1.21.7)	2m 36s
Build and push Docker images (strelaysrv)	2m 0s
Check correctness	12s
Build and test (ubuntu-latest, ~1.22.0)	2m 17s
Package cross compiled	7m 11s
Build and push Docker images (stdiscosrv)	1m 37s
Build and test (macos-latest, ~1.21.7)	1m 48s
Build and test (macos-latest, ~1.22.0)	1m 46s
Package for Debian	2m 5s
Package for Linux	5m 53s
Package for macOS	1m 8s
Package source code	29s
Package for Windows	4m 15s
Basic checks passed	0s
Sign for upgrade	0s
Notarize for macOS	0s
Publish release files	0s
Publish nightly build	0s
	43m 47s

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