Fix /nix/store taking up a lot of storage

Additionally:
- add arcaea wiki search engine
- fix haskell devshell not evaluating
- remove a big dependency from my neovim setup

home/features/neovim/default.nix

@@ -49,7 +49,7 @@ let
     libstdcxx5 # Required by treesitter aparently
     # python310Packages.jupytext # Convert between jupyter notebooks and python files
     # graphviz # For rust crate graph
-    haskellPackages.hoogle # For haskell search
+    # haskellPackages.hoogle # For haskell search
 
     # Preview
     # zathura # Pdf reader