add gitsigns for plugins

lua/plugins/gitsigns.lua

@@ -0,0 +1,59 @@
+return {
+    {
+        "lewis6991/gitsigns.nvim",
+        event = { "BufReadPre", "BufNewFile" },
+        opts = {
+            signs                        = {
+                add          = { text = '┃' },
+                change       = { text = '┃' },
+                delete       = { text = '_' },
+                topdelete    = { text = '‾' },
+                changedelete = { text = '~' },
+                untracked    = { text = '┆' },
+            },
+            signs_staged                 = {
+                add          = { text = '┃' },
+                change       = { text = '┃' },
+                delete       = { text = '_' },
+                topdelete    = { text = '‾' },
+                changedelete = { text = '~' },
+                untracked    = { text = '┆' },
+            },
+            signs_staged_enable          = true,
+            signcolumn                   = true, -- Toggle with `:Gitsigns toggle_signs`
+            numhl                        = false, -- Toggle with `:Gitsigns toggle_numhl`
+            linehl                       = false, -- Toggle with `:Gitsigns toggle_linehl`
+            word_diff                    = false, -- Toggle with `:Gitsigns toggle_word_diff`
+            watch_gitdir                 = {
+                follow_files = true
+            },
+            auto_attach                  = true,
+            attach_to_untracked          = false,
+            current_line_blame           = true, -- Toggle with `:Gitsigns toggle_current_line_blame`
+            current_line_blame_opts      = {
+                virt_text = true,
+                virt_text_pos = 'eol', -- 'eol' | 'overlay' | 'right_align'
+                delay = 1000,
+                ignore_whitespace = false,
+                virt_text_priority = 100,
+                use_focus = true,
+            },
+            current_line_blame_formatter = '<author>, <author_time:%R> - <summary>',
+            sign_priority                = 6,
+            update_debounce              = 100,
+            status_formatter             = nil, -- Use default
+            max_file_length              = 40000, -- Disable if file is longer than this (in lines)
+            preview_config               = {
+                -- Options passed to nvim_open_win
+                border = 'single',
+                style = 'minimal',
+                relative = 'cursor',
+                row = 0,
+                col = 1
+            },
+        },
+        config = function(_, opts)
+            require('gitsigns').setup(opts)
+        end
+    }
+}