feat: UI overhaul

modules/ui/default.nix

@@ -0,0 +1,5 @@
+_: {
+  imports = [
+    ./noice.nix
+  ];
+}

modules/ui/noice.nix

@@ -0,0 +1,67 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with builtins; let
+  cfg = config.vim.ui.noice;
+in {
+  options.vim.ui.noice = {
+    enable = mkEnableOption "noice-nvim";
+  };
+
+  config = mkIf cfg.enable {
+    vim.startPlugins = [
+      "noice-nvim"
+      "nui-nvim"
+    ];
+
+    vim.luaConfigRC.noice-nvim = nvim.dag.entryAnywhere ''
+      require("noice").setup({
+        lsp = {
+          override = {
+            ["vim.lsp.util.convert_input_to_markdown_lines"] = true,
+            ["vim.lsp.util.stylize_markdown"] = true,
+            ["cmp.entry.get_documentation"] = true,
+          },
+
+          signature = {
+            enabled = false, -- FIXME: enabling this file throws an error which I couldn't figure out
+          },
+        },
+
+        presets = {
+          bottom_search = true, -- use a classic bottom cmdline for search
+          command_palette = true, -- position the cmdline and popupmenu together
+          long_message_to_split = true, -- long messages will be sent to a split
+          inc_rename = false, -- enables an input dialog for inc-rename.nvim
+          lsp_doc_border = false, -- add a border to hover docs and signature help
+        },
+
+        format = {
+          cmdline = { pattern = "^:", icon = "", lang = "vim" },
+          search_down = { kind = "search", pattern = "^/", icon = " ", lang = "regex" },
+          search_up = { kind = "search", pattern = "^%?", icon = " ", lang = "regex" },
+          filter = { pattern = "^:%s*!", icon = "", lang = "bash" },
+          lua = { pattern = "^:%s*lua%s+", icon = "", lang = "lua" },
+          help = { pattern = "^:%s*he?l?p?%s+", icon = "" },
+          input = {},
+        },
+
+        -- Hide written messages
+        routes = {
+          {
+            filter = {
+              event = "msg_show",
+              kind = "",
+              find = "written",
+            },
+            opts = { skip = true },
+          },
+        },
+      })
+    '';
+  };
+}