add takamaki config, clean up host configs

hosts/kitagawa/home.nix

@@ -9,7 +9,7 @@ global-configs = ../../global-configs;
 in {
   imports = [
     ../../global-home.nix
-    "${global-configs}/fastfetch.nix"
+    ./configs/fastfetch.nix
     "${global-configs}/zsh.nix"
     "${global-configs}/kitty.nix"
     "${global-configs}/floorp.nix"