improve vim config

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/26d499fc9f1d567283d5d56fcf367edd815dba1d?narHash=sha256-FHlSkNqFmPxPJvy%2B6fNLaNeWnF1lZSgqVCl/eWaJRc4%3D' (2025-04-12)
  → 'github:NixOS/nixpkgs/3e362ce63e16b9572d8c2297c04f7c19ab6725a5?narHash=sha256-3dqArYSMP9hM7Qpy5YWhnSjiqniSaT2uc5h2Po7tmg0%3D' (2025-04-30)
• Updated input 'nixpkgs-unstable':
    'github:NixOS/nixpkgs/b024ced1aac25639f8ca8fdfc2f8c4fbd66c48ef?narHash=sha256-fusHbZCyv126cyArUwwKrLdCkgVAIaa/fQJYFlCEqiU%3D' (2025-04-17)
  → 'github:NixOS/nixpkgs/f02fddb8acef29a8b32f10a335d44828d7825b78?narHash=sha256-IgBWhX7A2oJmZFIrpRuMnw5RAufVnfvOgHWgIdds%2Bhc%3D' (2025-05-01)
• Updated input 'nixvim':
    'github:nix-community/nixvim/d35dc6dfcae3ff1a0c72f2d59491a7d83e5505a3?narHash=sha256-YuQRMvqLVu%2Bghl2XzqXyVg/YevH/t3XHVCl7w%2BUrCH8%3D' (2025-04-19)
  → 'github:nix-community/nixvim/5bef8e43ce16ee704c7b9fa9f48a07ce81c5c05d?narHash=sha256-MpLljx/1dGnBIQlUswaUz/ZeOp44R3ngc1iBf4tyzyc%3D' (2025-04-29)

flake.lock

@@ -270,11 +270,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1744440957,
-        "narHash": "sha256-FHlSkNqFmPxPJvy+6fNLaNeWnF1lZSgqVCl/eWaJRc4=",
+        "lastModified": 1746055187,
+        "narHash": "sha256-3dqArYSMP9hM7Qpy5YWhnSjiqniSaT2uc5h2Po7tmg0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "26d499fc9f1d567283d5d56fcf367edd815dba1d",
+        "rev": "3e362ce63e16b9572d8c2297c04f7c19ab6725a5",
         "type": "github"
       },
       "original": {
@@ -301,11 +301,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1744932701,
-        "narHash": "sha256-fusHbZCyv126cyArUwwKrLdCkgVAIaa/fQJYFlCEqiU=",
+        "lastModified": 1746141548,
+        "narHash": "sha256-IgBWhX7A2oJmZFIrpRuMnw5RAufVnfvOgHWgIdds+hc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b024ced1aac25639f8ca8fdfc2f8c4fbd66c48ef",
+        "rev": "f02fddb8acef29a8b32f10a335d44828d7825b78",
         "type": "github"
       },
       "original": {
@@ -329,11 +329,11 @@
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1745068593,
-        "narHash": "sha256-YuQRMvqLVu+ghl2XzqXyVg/YevH/t3XHVCl7w+UrCH8=",
+        "lastModified": 1745963276,
+        "narHash": "sha256-MpLljx/1dGnBIQlUswaUz/ZeOp44R3ngc1iBf4tyzyc=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "d35dc6dfcae3ff1a0c72f2d59491a7d83e5505a3",
+        "rev": "5bef8e43ce16ee704c7b9fa9f48a07ce81c5c05d",
         "type": "github"
       },
       "original": {

systems/common-cli.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
 
@@ -8,32 +8,82 @@
     enable = true;
     viAlias = true;
     vimAlias = true;
-    files = {
-      "ftplugin/nix.lua" = {
-        opts = {
-          tabstop = 8;
-          shiftwidth = 4;
-          softtabstop = 0;
-          expandtab = true;
-          smarttab = true;
-          background = "dark";
-          mouse = "";
-        };
+    colorschemes.catppuccin.enable = true;
+    highlight.ExtraWhitespace.bg = "red"; # Highlight extra white spaces
+    performance = {
+      byteCompileLua = {
+        enable = true;
+        nvimRuntime = true;
+        configs = true;
+        plugins = true;
       };
     };
+    opts = {
+      updatetime = 100; # Faster completion
+
+      # Line numbers
+      number = true; # Display the absolute line number of the current line
+      hidden = true; # Keep closed buffer open in the background
+      mouse = "a"; # Enable mouse control
+      mousemodel = "extend"; # Mouse right-click extends the current selection
+      splitbelow = true; # A new window is put below the current one
+      splitright = true; # A new window is put right of the current one
+
+      modeline = true; # Tags such as 'vim:ft=sh'
+      modelines = 100; # Sets the type of modelines
+      undofile = true; # Automatically save and restore undo history
+      incsearch = true; # Incremental search: show match for partly typed search command
+      ignorecase = true; # When the search query is lower-case, match both lower and upper-case patterns
+      smartcase = true; # Override the 'ignorecase' option if the search pattern contains upper case characters
+      cursorline = true; # Highlight the screen line of the cursor
+      cursorcolumn = true; # Highlight the screen column of the cursor
+      signcolumn = "yes"; # Whether to show the signcolumn
+      laststatus = 3; # When to use a status line for the last window
+      fileencoding = "utf-8"; # File-content encoding for the current buffer
+      termguicolors = true; # Enables 24-bit RGB color in the |TUI|
+      wrap = false; # Prevent text from wrapping
+
+      # Tab options
+      tabstop = 2; # Number of spaces a <Tab> in the text stands for (local to buffer)
+      shiftwidth = 2; # Number of spaces used for each step of (auto)indent (local to buffer)
+      softtabstop = 0; # If non-zero, number of spaces to insert for a <Tab> (local to buffer)
+      expandtab = true; # Expand <Tab> to spaces in Insert mode (local to buffer)
+      autoindent = true; # Do clever autoindenting
+
+      showmatch = true; # when closing a bracket, briefly flash the matching one
+      matchtime = 1; # duration of that flashing n deci-seconds
+      startofline = true; # motions like "G" also move to the first char
+      report = 9001; # disable "x more/fewer lines" messages
+    };
     plugins = {
       lualine.enable = true;
       lsp = {
         enable = true;
+        inlayHints = true;
         servers = {
           nixd.enable = true;
           ruff.enable = true;
         };
       };
+      lspkind.enable = true;
+      lsp-lines.enable = true;
+      lsp-signature.enable = true;
       bufferline.enable = true;
       telescope.enable = true;
       which-key.enable = true;
-      treesitter.enable = true;
+      treesitter = {
+        enable = true;
+        settings = {
+          highlight = {
+            enable = true;
+            additional_vim_regex_highlighting = true;
+          };
+
+          indent = {
+            enable = true;
+          };
+        };
+      };
       cmp = {
         enable = true;
         autoEnableSources = true;