docs: no longer depend on self

docs/nix/default.nix

@@ -1,5 +1,4 @@
 {
-  clan-core,
   pkgs,
   module-docs,
   clan-cli-docs,
@@ -19,7 +18,17 @@ pkgs.stdenv.mkDerivation {
 
   # Points to repository root.
   # so that we can access directories outside of docs to include code snippets
-  src = clan-core;
+  src = pkgs.lib.fileset.toSource {
+    root = ../..;
+    fileset = pkgs.lib.fileset.unions [
+      # Docs directory
+      ../../docs
+      # Icons needed for the build
+      ../../pkgs/clan-app/ui/icons
+      # Any other directories that might be referenced for code snippets
+      # Add them here as needed based on what mkdocs actually uses
+    ];
+  };
 
   nativeBuildInputs =
     [

docs/nix/flake-module.nix

@@ -82,10 +82,9 @@
           }
           ''
             export CLAN_CORE_PATH=${
-              self.filter {
-                include = [
-                  "clanModules"
-                ];
+              inputs.nixpkgs.lib.fileset.toSource {
+                root = ../..;
+                fileset = ../../clanModules;
               }
             }
             export CLAN_CORE_DOCS=${jsonDocs.clanCore}/share/doc/nixos/options.json
@@ -126,7 +125,6 @@
       });
       packages = {
         docs = pkgs.python3.pkgs.callPackage ./default.nix {
-          clan-core = self;
           inherit (self'.packages)
             clan-cli-docs
             docs-options