cli-parser (#4)

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: #4

.vscode/launch.json

@@ -9,7 +9,7 @@
       "type": "cppdbg",
       "request": "launch",
       "program": "${workspaceFolder}/builddir/ptprnt",
-      "args": [],
+      "args": ["-t Hello"],
       "stopAtEntry": false,
       "cwd": "${fileDirname}",
       "environment": [],