theme: set the adwaita colorscheme

- Sets the Adwaita colorscheme, also for lualine.
- Remove the marksman parser.

Co-Authored-by: iGor milhit <igor@milhit.ch>

init.lua

@@ -107,28 +107,13 @@ require('lazy').setup({
     },
   },
 
-  -- {
-  --   -- Nordic Theme
-  --   'andersevenrud/nordic.nvim',
-  --   priority = 1000,
-  --   config = function()
-  --     require('nordic').colorscheme({
-  --       underline_option = 'none',
-  --       italic = true,
-  --       italic_comments = false,
-  --       minimal_mode = false,
-  --       alternate_backgrounds = false
-  --     })
-  --   end,
-  -- },
-
+  -- Adwaita colorscheme
   {
-    -- "Mofiqul/adwaita.nvim",
-    "shaunsingh/nord.nvim",
+    "Mofiqul/adwaita.nvim",
     lazy = false,
     priority = 1000,
     config = function()
-      vim.cmd('colorscheme nord')
+      vim.cmd('colorscheme adwaita')
     end
   },
 
@@ -139,7 +124,7 @@ require('lazy').setup({
     opts = {
       options = {
         icons_enabled = true,
-        theme = 'nord',
+        theme = 'adwaita',
         component_separators = '|',
         section_separators = '',
       },
@@ -487,12 +472,12 @@ local servers = {
   -- rust_analyzer = {},
   -- tsserver = {},
 
-  marksman = {
-    ft = {
-      'markdown',
-      'pandoc'
-    }
-  },
+  -- marksman = {
+  --   ft = {
+  --     'markdown',
+  --     'pandoc'
+  --   }
+  -- },
 
   lua_ls = {
     Lua = {