Goal of this PR is to have some basic labels generated with pangocairo
- size of the canvas should be matching the input text and grow/shrink accordingly
- basic formatting options like fontsize and align should be working
Reviewed-on: moritz/ptouch-prnt#8
Goal of this PR should be to integrate a working CLI parser so that commands can be sent to the Printer class to print text, such as
ptprnt -t=FooBar
also, standard flags for setting the output verbosity and help should be implemented
Reviewed-on: moritz/ptouch-prnt#4
