feat: teletext formatting #561

Job	Run time
Settings / settings	1s
Lint / Lint	15s
Test Linux distros / Matrix configuration	5s
Official Docker image / Build	11m 59s
Build and test / Matrix configuration	8s
Build docs / Build docs	31s
Test Linux distros / Alpine	11m 55s
Test Linux distros / ArchLinux	12m 1s
Test Linux distros / CentOS	10m 47s
Test Linux distros / Debian	11m 26s
Test Linux distros / Fedora	10m 25s
Test Linux distros / OpenSUSE	10m 35s
Test Linux distros / Ubuntu	9m 50s
Build and test / linux x64 Debug static	9m 48s
Build and test / linux x64 Debug shared	9m 36s
Build and test / linux x64 Release static	12m 54s
Build and test / linux x64 Release shared	10m 33s
Build and test / osx x64 Debug static	24m 59s
Build and test / osx x64 Debug shared	24m 21s
Build and test / osx x64 Release static	11m 46s
Build and test / osx x64 Release shared	10m 27s
Build and test / osx arm64 Debug static	16m 21s
Build and test / osx arm64 Debug shared	16m 14s
Build and test / osx arm64 Release static	6m 28s
Build and test / osx arm64 Release shared	6m 44s
Build and test / win x64 Debug static	11m 17s
Build and test / win x64 Debug shared	11m 55s
Build and test / win x64 Release static	12m 45s
Build and test / win x64 Release shared	13m 26s
Build and test / linux arm64 Debug static	10m 59s
Build and test / linux arm64 Debug shared	10m 58s
Build and test / linux arm64 Release static	42m 43s
Build and test / linux arm64 Release shared	10m 43s
	6h 14m 55s

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