Add Source Code Icon + Misc Changes (#3498)

* test

* Update
- Added Source Code icon.
- Some misc changes.

* Fix

* Adjust title

* Fix redirect

* Move PDF Utilities

docs/video-tools.md

@@ -493,7 +493,7 @@
 * [BestSnip](https://bestsnip.com/animation/), [Sketch Machine](https://sketchmachine.net/), [Plask](https://plask.ai/) or [Rive](https://rive.app/) - Online Animation Tools
 * [Glaxnimate](https://glaxnimate.mattbas.org/) or [Trangram](https://www.trangram.com/) - Vector Animation Tools
 * [LibreSprite](https://libresprite.github.io/), [GraphicsGale](https://graphicsgale.com/us/), [Pixel Compresor](https://makham.itch.io/pixel-composer), [JPixel](https://emad.itch.io/jpixel), [Aseprite](https://github.com/aseprite/aseprite) / [Guide](https://youtu.be/Z4Enx-Nb43E) or [SpookyGhost](https://encelo.itch.io/spookyghost) - Pixel Art Animation Tools
-* [Spritesheet Generator](https://sprite-gen.xvx.sh/) - Spritesheet Generator / [Gitea](https://gitea.directonline.io/noxious/spritesheet-generator)
+* [Spritesheet Generator](https://sprite-gen.xvx.sh/) - Spritesheet Generator / [Source Code](https://gitea.directonline.io/noxious/spritesheet-generator)
 * [Animated Drawings](https://sketch.metademolab.com/), [FAIR Animated Drawings](https://fairanimateddrawings.com/site/home) or [MotorPen](https://motorpen.com/) - Animate Drawings
 * [FlipAnim](https://flipanim.com/) - Create Animated Flipbooks
 * [Viggle](https://viggle.ai/) / [Discord](https://discord.com/invite/viggle) or [Picrew](https://picrew.me/) - Animated Character Creators