Added .clang-tidy file #187

Job	Run time
Code Linting / Format / Lint	10s
Linux / deb (release, Qt 5, ubuntu-20.04)	1m 47s
Linux / deb (release, Qt 6, ubuntu-22.04)	2m 41s
Linux / AppImage (release, Qt 5.15.2, ubuntu:20.04)	2m 29s
macOS / Build (debug, homebrew (qt5), macos-12)	4m 42s
Linux / deb (release, Qt 6, ubuntu:23.04)	3m 10s
Linux / AppImage (release, Qt 6.4.3, ubuntu:20.04)	4m 3s
macOS / Build (debug, homebrew (qt6), macos-12)	3m 5s
Linux / snap	5m 48s
Linux / rpm (release, Qt 6, fedora:37)	3m 23s
Linux / rpm (release, Qt 6, opensuse/leap:15)	4m 56s
macOS / dmg (release, Qt 5.15.2, macos-11)	4m 18s
macOS / dmg (release, Qt 6.5.2, macos-11)	7m 12s
Windows / Build (x64, release, Qt 5.15.2, windows-2019)	2m 39s
Windows / Build (x86, release, Qt 5.15.2, windows-2019)	2m 50s
Windows / Build (x64, release, Qt 6.4.3, windows-2019)	4m 37s
Windows / Unified x64-x86 Installer	4m 43s
	1h 2m 33s

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