[First commit]Adding tools of best c++ practice for upgrading game codes from v2.x to v3.x
issue #3215: Comments add_namespace type in “all” mode.
issue #3215: Updating comments for this tool.
Merge pull request #4285 from dumganhar/iss3215-cpp-formatter

[ci skip]issue #3215: Adding tools of best c++ practice for upgrading game codes from v2.x to v3.x