Debugger: Started DebuggerIntf package

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44075 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: added DebuggerIntf to packagemanager

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44076 4005530d-fff6-0310-9dd1-cebe43e6787f