Add project clangtidy

Author: Jarod42

projects/clangtidy/.clang-tidy

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+---
+Checks: readability-identifier-naming
+CheckOptions:
+    - { key: readability-identifier-naming.NamespaceCase, value: lower_case }

projects/clangtidy/Readme.md

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+## clangtidy
+
+Test [`clangtidy`](https://premake.github.io/docs/clangtidy)

projects/clangtidy/premake5.lua

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+if (_ACTION == nil) then
+	return
+end
+
+local LocationDir = "solution/%{_ACTION}"
+
+workspace "Project"
+	location(LocationDir)
+	configurations {"Debug", "Release"}
+
+	objdir(path.join(LocationDir, "obj")) -- premake adds $(configName)/$(AppName)
+	targetdir(path.join(LocationDir, "bin/%{cfg.buildcfg}"))
+
+	startproject "app"
+
+project "app"
+	kind "ConsoleApp"
+	targetname "app"
+
+	files { "src/main.cpp" }
+	clangtidy "On"
+

projects/clangtidy/src/main.cpp

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+
+
+namespace ShouldBeLowerCase { // warning: invalid case style for namespace 'ShouldBeLowerCase' [readability-identifier-naming]
+}
+
+int main()
+{
+}