v0.2.6

Full Changelog: v0.2.5...v0.2.6

I've put some more love ❤️ into it. Guess that my education can't stop me from my passion .

Features:

• Made the code more modular
• Created CODE_OF_CONDUCT.md, CONTRBUTING.md, Issue template.
• Fixed ImGui Bug that haunted me for weeks (I am just really dumb)
• Added Unit Testing
• Added Metadatas
• Added Icon (I pray it will work!)