- Renamed build script for brief target descriptor generation

- Created new TargetService class
- Moved brief target descriptor mapping to new TargetService class
- Replaced CMake custom commands with custom targets, for TDF validation and brief target descriptor generation build scripts
- Moved BriefTargetDescriptor into separate header file

src/Targets/TargetDescription/TargetDescriptionFile.cpp

@@ -20,10 +20,6 @@ namespace Targets::TargetDescription
 
     using Services::StringService;
 
-    const std::map<std::string, GeneratedMapping::BriefTargetDescriptor>& TargetDescriptionFile::mapping() {
-        return GeneratedMapping::map;
-    }
-
     TargetDescriptionFile::TargetDescriptionFile(const std::string& xmlFilePath) {
         this->init(xmlFilePath);
     }