Cosmetic Fixes

Changes:
Definite integrals now render without the superscript / subscript boxes
\nthroot's exponent is no longer floating.

Virus Scan of MSI:
https://www.virustotal.com/#/file-analysis/YmY1ZTEwYWNhMGFhMjcwODA3ZTIyOGFlNTA0MWNmZDQ6MTUxODI4ODE2MA==

Minor fixes

updated help section
made custom logo

Initial public release

Instructions for building from source; [NPM is required]

$ git clone https://github.com/beautron7/Project-Delta.git
$ cd project-delta
$ npm install
$ npm run build

This will put all of the necessary files (including an executable) in ./Project-Delta/build.
If you are on windows you can use the installer. That shouldn't require NPM.