Feat: replace signify by gitsigns

nvim/.config/nvim/lua/config/gitsigns.lua

@@ -0,0 +1 @@
+require('gitsigns').setup {}

nvim/.config/nvim/lua/plugins.lua

@@ -50,7 +50,11 @@ return packer.startup(function(use)
     }
 
     use 'tpope/vim-fugitive'
-    use 'mhinz/vim-signify'
+    -- use 'mhinz/vim-signify'
+    use {
+        'lewis6991/gitsigns.nvim',
+        config = [[require('config.gitsigns')]],
+    }
 
     use 'tpope/vim-surround'
     use 'tpope/vim-repeat'