Restructure modules/shared and update all imports

- Rename modules/hosts/common to modules/shared
- Split shared into home/general, home/linux, and nixos subdirectories
- Update all import paths in lib/ and modules/hosts/
- Fix hardcoded /Users/ path to use config.home.homeDirectory
- Update .sops.yaml path for secrets

modules/shared/home/linux/apps/tilix.nix

@@ -0,0 +1,30 @@
+{ lib, pkgs, ... }: with lib.hm.gvariant; {
+
+  dconf.settings = {
+    "com/gexperts/Tilix/profiles/2b7c4080-0ddd-46c5-8f23-563fd3ba789d" = {
+      background-color = "#272822";
+      background-transparency-percent = 10;
+      badge-color-set = false;
+      bold-color-set = false;
+      cursor-colors-set = false;
+      font = "Hack Nerd Font Mono 12";
+      foreground-color = "#F8F8F2";
+      highlight-colors-set = false;
+      palette = [ "#272822" "#F92672" "#A6E22E" "#F4BF75" "#66D9EF" "#AE81FF" "#A1EFE4" "#F8F8F2" "#75715E" "#F92672" "#A6E22E" "#F4BF75" "#66D9EF" "#AE81FF" "#A1EFE4" "#F9F8F5" ];
+      use-system-font = false;
+      use-theme-colors = false;
+      visible-name = "Default";
+    };
+
+  };
+
+  home.file = {
+    ".config/tilix/schemes/Beanbag-Mathias.json".source = ../../../files/tilix/Beanbag-Mathias.json;
+    ".config/tilix/schemes/Catppuccin-Frappe.json".source = (pkgs.fetchFromGitHub {
+      owner = "catppuccin";
+      repo = "tilix";
+      rev = "3fd05e03419321f2f2a6aad6da733b28be1765ef";
+      hash = "sha256-SI7QxQ+WBHzeuXbTye+s8pi4tDVZOV4Aa33mRYO276k=";
+    } + "/src/Catppuccin-Frappe.json");
+  };
+}