Systemd service updating (#240)

* Add services and updated installer files

* Loader updates service file during update!

* Testing update branch doesn't exist lol

* Update to dfl 3.7.12

* Fix services and add working service updater

* Revert services but replace their aliases

* Fix install scripts as well

* Move leftover service files to .systemd dir

* No wonder it's not trimming the file...

* fix whitespace

* Remove unused imports

* Remove another un-used import

Co-authored-by: AAGaming <aa@mail.catvibers.me>

frontend/package.json

@@ -41,7 +41,7 @@
     }
   },
   "dependencies": {
-    "decky-frontend-lib": "^3.7.11",
+    "decky-frontend-lib": "^3.7.12",
     "react-file-icon": "^1.2.0",
     "react-icons": "^4.4.0",
     "react-markdown": "^8.0.3",