Implemented graphical user interface methods to adds panels to the frame
to launch the application. Added the search and default panels. Added
temporary image icon to default null panel as a placeholder. The main
panels (i.e., add course, edit section, view note) still need to be
implemented.
Partially implemented graphical user interface.

Implemented graphical user interface methods to adds panels to the frame
to launch the application. Added the search and default panels. Added
temporary image icon to default null panel as a placeholder. The main
panels (i.e., add course, edit section, view note) still need to be
implemented.