re-organized the dir and divided the init.lua into smaller plugins files

lua/custom/plugins/gitsigns.lua

@@ -0,0 +1,32 @@
+return {
+  -- Adds git related signs to the gutter, as well as utilities for managing changes
+  'lewis6991/gitsigns.nvim',
+  opts = {
+    -- See `:help gitsigns.txt`
+    signs = {
+      add = { text = '+' },
+      change = { text = '~' },
+      delete = { text = '_' },
+      topdelete = { text = '‾' },
+      changedelete = { text = '~' },
+    },
+    on_attach = function(bufnr)
+      vim.keymap.set('n', '<leader>hp', require('gitsigns').preview_hunk, {
+        buffer = bufnr, desc = 'Preview git hunk'
+      })
+
+      -- don't override the built-in and fugitive keymaps
+      local gs = package.loaded.gitsigns
+      vim.keymap.set({ 'n', 'v' }, ']c', function()
+        if vim.wo.diff then return ']c' end
+        vim.schedule(function() gs.next_hunk() end)
+        return '<Ignore>'
+      end, { expr = true, buffer = bufnr, desc = "Jump to next hunk" })
+      vim.keymap.set({ 'n', 'v' }, '[c', function()
+        if vim.wo.diff then return '[c' end
+        vim.schedule(function() gs.prev_hunk() end)
+        return '<Ignore>'
+      end, { expr = true, buffer = bufnr, desc = "Jump to previous hunk" })
+    end,
+  },
+}