Release-2.0

CCCCC v2.0 (August, 2024):

• [Feature] Add CallerCount/CallCount statistic
• [Feature] Add knowledge about explicit/virtual/override/static/const about method
• [Feature] Allow to select template
• [Feature] Allow to select source root
• [Feature] Allow to pass directly compile_commands.json instead of list of files
• [Fix] Fix blockCounter with took only last blockCounter value instead of the maximum
• [Fix] Fix blockcounter with if-if
• [Build] Update code to C++20
• [Build] Remove gengetopt dependency, and use CommandLine from llvm
• [Build] Change ctemplate to (custom) mstch
• [Build] Change UT framework from unittest++ to doctest
• [Build] Update premake4 to premake5
• [Build] Change from astyle to clang-format