Added buttons.downloadIconColor to icon theme.
Fixed an issue where the code icon at the timeline isn't following the color theme.
Added localization system.
- Current languages are English and Turkish, both made by me (efekos).
- You can change your language from the navbar that appears in every page.
- Contributors of the language you use will be included in the footer.
Added contributor and translator credits to footer.
Added help command to the program.