Add missing pages and related icons (#47)

* Add gear.png

* Add files via upload

* Clean unneeded pages

* Add files via upload

* Update icons-dumb.yml

* Add dumb icons

* Add files via upload

* Add dumb icons

* Delete icons/keepassxc.svg

* Add files via upload

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Co-authored-by: Portable-Linux-Apps <noreply@github.com>

Author: ivan-hc

apps/eden.md

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+# EDEN
+
+ Eden is an experimental open-source emulator for the Nintendo Switch, built with performance and stability in mind.
+
+ SITE: https://github.com/eden-emulator/Releases
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/freecad-assembly3.md

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+# FREECAD-ASSEMBLY3
+
+ Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
+ 
+ Assembly3 is an external workbench that is used to perform assembly of different bodies contained in a single file or in multiple documents. The workbench is based on several core function changes done for the version of FreeCAD 0.19 (e.g. App Link), so the Assembly3 Workbench can not be used with earlier versions.
+
+ SITE: https://github.com/realthunder/FreeCAD
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/keepassxc-devel.md

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+# KEEPASSXC-DEVEL
+
+ Let KeePassXC safely store your passwords and auto-fill them into your favorite apps, so you can forget all about them.
+
+ SITE: https://keepassxc.org
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/nitch.md

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+# NITCH
+
+ Nitch - incredibly fast system fetch written in nim.
+
+ SITE: https://github.com/ssleert/nitch
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/quiet.md

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+# QUIET
+
+ A private, p2p alternative to Slack and Discord built on Tor & IPFS.
+
+ SITE: https://github.com/TryQuiet/quiet
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/sudachi.md

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+# SUDACHI
+
+ Nintendo Switch emulator.
+
+ SITE: https://github.com/emuplace/sudachi.emuplace.app
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/sunvox.md

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+# SUNVOX
+
+ Small, fast and powerful modular synthesizer with pattern-based sequencer (tracker).
+
+ SITE: http://warmplace.ru/soft/sunvox
+ 
+ UNOFFICIAL APPIMAGE: https://github.com/ivan-hc/Database-of-pkg2appimaged-packages
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/texts.md

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+# TEXTS
+
+ All of your messages in one inbox.
+
+ SITE: https://texts.com
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |

apps/trenchbroom.md

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+# TRENCHBROOM
+
+ TrenchBroom is a modern cross-platform level editor for Quake-engine based games.
+
+ SITE: https://github.com/kduske/TrenchBroom
+
+ | [Applications](https://portable-linux-apps.github.io/apps.html) | [Home](https://portable-linux-apps.github.io)
+ | --- | --- |