Added qt folder & first files

Added a folder to start learning Qt.
First program code added, along with a README & a .gitignore file
Added folder to practice C++ & few intro programs

Added a folder for practicing C++ along with some intro programs
A README for this folder was added.
Added a folder for testing ramdom things. 2 random programs added

Folder added for testing random things.
Code for printing hex form a file added.
Code for printing size of a file added.