packaging: Add dms-open.desktop and danklogo.svg to all distribution packages (#870)

* packaging: add dms-open.desktop and danklogo.svg to all distributions

- Add dms-open.desktop to /usr/share/applications
- Add danklogo.svg to /usr/share/icons/hicolor/scalable/apps
- Updated packaging for:
  - Fedora (dms.spec)
  - OpenSUSE (dms.spec, dms-git.spec)
  - Debian (dms, dms-git)
  - Ubuntu (dms, dms-git)

Fixes #860

* nix: add dms-open.desktop and danklogo.svg to dankMaterialShell package

* Revert "packaging: add dms-open.desktop and danklogo.svg to all distributions"

This reverts commit 862a4fc405.

* nix: add dankMaterialShell to pkgs

---------

Co-authored-by: LuckShiba <luckshiba@protonmail.com>

flake.nix

@@ -87,6 +87,14 @@
                     installPhase = ''
                         mkdir -p $out/etc/xdg/quickshell
                         cp -r ./ $out/etc/xdg/quickshell/dms
+
+                        # Install desktop file
+                        mkdir -p $out/share/applications
+                        cp ${./assets/dms-open.desktop} $out/share/applications/dms-open.desktop
+
+                        # Install icon
+                        mkdir -p $out/share/icons/hicolor/scalable/apps
+                        cp ${./core/assets/danklogo.svg} $out/share/icons/hicolor/scalable/apps/danklogo.svg
                     '';
                 };