Migrated init.lua into plugin files

AppData/Local/nvim/lua/plugins/catppuccin.lua

@@ -0,0 +1,19 @@
+return {
+  { -- You can easily change to a different colorscheme.
+    -- Change the name of the colorscheme plugin below, and then
+    -- change the command in the config to whatever the name of that colorscheme is.
+    --
+    -- If you want to see what colorschemes are already installed, you can use `:Telescope colorscheme`.
+    'catppuccin/nvim',
+    name = 'catppuccin',
+    priority = 1000, -- Make sure to load this before all the other start plugins.
+    config = function()
+      ---@diagnostic disable-next-line: missing-fields
+      require('catppuccin').setup {
+        flavour = 'mocha',
+      }
+
+      vim.cmd.colorscheme 'catppuccin'
+    end,
+  },
+}