Flake updates and simplifying IVR

Failed attempts to enable unfree packages
Commented out github plugin for VSCode
Made standalone Home Manager not fail to find caches and honor more
settings

home/default.nix

@@ -7,14 +7,21 @@ rec {
       pkgs = (
         import top.nixunstable {
           inherit system overlays;
-          config.allowUnfree = true;
+          config = {
+            allowUnfree = true;
+            allowUnfreePredicate = _: true;
+          };
         }
       );
     in
     top.hmunstable.lib.homeManagerConfiguration {
       inherit pkgs;
       modules = [
-        ../modules/nix-conf.nix
+        (import ../modules/nix-conf.nix {
+          inherit pkgs;
+          inherit (pkgs) lib;
+          cache = false;
+        })
         ./home.nix
       ];
       extraSpecialArgs = {