add hexyl, timg, and other

hosts/lolcathost/default.nix

@@ -244,6 +244,7 @@ in {
     binutils
     strace
     ltrace
+    hexyl
     # ASM
     nasm
     (callPackage ../packages/x86-manpages {})
@@ -265,6 +266,14 @@ in {
     haskell-language-server
     ormolu
 
+    # Nix
+    # TODO: once upgraded past Nix-24.07 this line won't be necessary (I think)
+    #       helix will support nixd by default
+    # SOURCE: https://github.com/nix-community/nixd/blob/main/nixd/docs/editor-setup.md#Helix
+    nixd # lsp for nix
+    nix-prefetch-git
+    nix-index
+
     # Python
     python312 # I use 3.12 since it's in a pretty stable state now
     python314 # also 3.14 for latest features
@@ -288,23 +297,18 @@ in {
     zoxide
     doggo
     tldr
-    # btop
+    btop
     eza
     yazi
     lazygit
     ripgrep
     viddy # modern `watch` command
     thefuck
-
-    # TODO: once upgraded past Nix-24.07 this line won't be necessary (I think)
-    #       helix will support nixd by default
-    # SOURCE: https://github.com/nix-community/nixd/blob/main/nixd/docs/editor-setup.md#Helix
-    nixd # lsp for nix
+    timg # terminal image (sixel) viewer
 
     # Pretty necessary
     git
     git-filter-repo
-    nix-prefetch-git
     brightnessctl
     acpi
     # upower