disabled portability-avoid-pragma-once clang-tidy warning

Author: firewave

.clang-tidy

@@ -54,6 +54,7 @@ Checks: >
         -performance-avoid-endl,
         -performance-inefficient-string-concatenation,
         -performance-no-automatic-move,
+        -portability-avoid-pragma-once,
         -portability-simd-intrinsics,
         -portability-std-allocator-const,
         -readability-avoid-nested-conditional-operator,

clang-tidy.md

@@ -147,6 +147,10 @@ To be evaluated (need to enable explicitly).
 
 These apply to codebases which use later standards then C++11 (C++17 is used when building with Qt6) so we cannot simply apply them.
 
+`portability-avoid-pragma-once`<br/>
+
+We are not interested in this.
+
 ### Disabled for performance reasons
 
 `portability-std-allocator-const`<br/>