Add initial project files (excluding ignored content)

external/safetyhook/format.ps1

@@ -0,0 +1,5 @@
+Get-ChildItem -Path .\src, .\include, .\test, .\example -Include *.hpp, *.cpp -Recurse |
+ForEach-Object {
+    Write-Output $_.FullName
+    &clang-format -i -style=file $_.FullName
+}