rename common module to nixos

modules/default/nixos/nixvim/cmp.nix

@@ -0,0 +1,49 @@
+{ ... }:
+{
+
+  programs.nixvim.plugins = {
+    cmp = {
+      enable = true;
+      settings = {
+        autoEnableSources = true;
+        experimental = { ghost_text = false; };
+        performance = {
+          debounce = 60;
+          fetchingTimeout = 200;
+          maxViewEntries = 30;
+        };
+        snippet = { expand = "luasnip"; };
+        formatting = { fields = [ "kind" "abbr" "menu" ]; };
+        sources = [
+          { name = "git"; }
+          { name = "nvim_lsp"; }
+          { name = "emoji"; }
+          {
+            name = "buffer"; # text within current buffer
+            option.get_bufnrs.__raw = "vim.api.nvim_list_bufs";
+            keywordLength = 3;
+          }
+          {
+            name = "path"; # file system paths
+            keywordLength = 3;
+          }
+          {
+            name = "luasnip"; # snippets
+            keywordLength = 3;
+          }
+        ];
+
+        window = {
+          completion = { border = "solid"; };
+          documentation = { border = "solid"; };
+        };
+      };
+    };
+    cmp-nvim-lsp = { enable = true; }; # lsp
+    cmp-buffer = { enable = true; };
+    cmp-path = { enable = true; }; # file system paths
+    cmp_luasnip = { enable = true; }; # snippets
+    cmp-cmdline = { enable = false; }; # autocomplete for cmdline
+  };
+
+}