Updated Images / PDFs + Misc Changes (#3780)

* Update
- Misc & consistency changes.

* Update
- Implement suggestions for contribute guide.

* Update
- More image link updates.

* Update
- Update all .pdf entries.

* Update
- Fixes

* Update

* Update

* Update
- Update feedback component.
- Small fix.

* Update

* Update
- Finishing touches.

* Update

docs/system-tools.md

@@ -285,7 +285,7 @@
 ## ▷ Mouse / Keyboard
 
 * ⭐ **[/r/MechanicalKeyboards Wiki](https://www.reddit.com/r/MechanicalKeyboards/wiki/index)** - Mechanical Keyboard Resources
-* ⭐ **[Hotkey Cheatsheet](https://hotkeycheatsheet.com/)**, [KeyCombiner](https://keycombiner.com/) or [Use The Keyboard](https://usethekeyboard.com/) - Hotkey Cheatsheets / [Image](https://i.ibb.co/yNHRPfm/2147ec86baff.png), [2](https://i.ibb.co/XyWn2qc/075be8840d12.png)
+* ⭐ **[Hotkey Cheatsheet](https://hotkeycheatsheet.com/)**, [KeyCombiner](https://keycombiner.com/) or [Use The Keyboard](https://usethekeyboard.com/) - Hotkey Cheatsheets
 * ⭐ **[VIA](https://usevia.app/)** / [GitHub](https://github.com/the-via/app), [SharpKeys](https://github.com/randyrants/sharpkeys/), [Kanata](https://github.com/jtroo/kanata), [keymapper](https://github.com/houmain/keymapper), [Ergogen](https://ergogen.xyz/), [Mahou](https://gitea.com/BladeMight/Mahou) - Custom Keyboard Layouts / Remapping
 * ⭐ **[geekhack](https://geekhack.org/)** or [KeebTalk](https://www.keebtalk.com/) - Keyboard Forums
 * [HotkeyP](https://sourceforge.net/projects/hotkeyp/) or [CheatKeys](https://cheatkeys.com/cheatsheet) - Hotkey Remapping