feat: file browser #18
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Which issue(s) does this PR address?
There exists no file browser in the current implementation.
Why do we need this PR?
To access the files to import textures, etc.
What logical changes are present in this PR?
Added a new header and cpp file with the file browser, and main now has lines to initialise the same
How did you test the changes in this PR?
(Include screenshots, CLI output, etc.)




By running it and resizing multiple times.
Are there any breaking changes in this PR?
Yes. Addition of new files and changes to main.cpp
Is there some additional work to be done later that is NOT covered in this PR?
Clicking on a file doesn't do anything. Function to deal with opening files is to be implemented. file browser needs to have a tree structure and a root directory instead of the current free one.