refactor(flake): Use self instead of relative imports

flake.nix

@@ -4,6 +4,8 @@
   outputs =
     { self, ... }@inputs:
     inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      debug = true;
+
       systems = [
         "x86_64-linux"
       ];
@@ -18,9 +20,9 @@
           {
             imports = [
               inputs.rose-pine.homeManagerModules.rose-pine
-              ./modules/home/iconTheme.nix
+              "${self}/modules/home/iconTheme.nix"
-              ./modules/home/shellAbbrs.nix
+              "${self}/modules/home/shellAbbrs.nix"
-              ./home
+              "${self}/home"
             ];
           };
       };

home/programs/figlet.nix

@@ -1,13 +1,17 @@
 {
+  flake,
   pkgs,
   lib,
   config,
   ...
 }:
+let
+  inherit (flake.inputs) self;
+in
 {
   home.packages = with pkgs; [
     # Could not get overlays or overrides to work.
-    (callPackage ./../../derivations/figlet-with-fonts.nix { })
+    (callPackage "${self}/derivations/figlet-with-fonts.nix" { })
   ];
 
   programs.fish.functions = lib.mkIf config.programs.fish.enable {