added gitsigns config

lua/custom/gitsigns.lua

@@ -0,0 +1,44 @@
+require('gitsigns').setup {
+    on_attach = function(bufnr)
+        local gitsigns = require('gitsigns')
+
+        local function map(mode, l, r, opts)
+            opts = opts or {}
+            opts.buffer = bufnr
+            vim.keymap.set(mode, l, r, opts)
+        end
+
+        -- Navigation
+        map('n', ']c', function()
+            if vim.wo.diff then
+                vim.cmd.normal({ ']c', bang = true })
+            else
+                gitsigns.nav_hunk('next')
+            end
+        end)
+
+        map('n', '[c', function()
+            if vim.wo.diff then
+                vim.cmd.normal({ '[c', bang = true })
+            else
+                gitsigns.nav_hunk('prev')
+            end
+        end)
+
+        map('n', '<leader>gb', function()
+            gitsigns.blame({ full = true })
+        end)
+
+        map('n', '<leader>hd', gitsigns.diffthis)
+
+        map('n', '<leader>hD', function()
+            gitsigns.diffthis('~')
+        end)
+
+        map('n', '<leader>hQ', function() gitsigns.setqflist('all') end)
+        map('n', '<leader>hq', gitsigns.setqflist)
+
+        -- Text object
+        map({ 'o', 'x' }, 'ih', gitsigns.select_hunk)
+    end
+}

lua/custom/vimrc

@@ -38,7 +38,7 @@ vnoremap <A-j> :m '>+1<CR>gv=gv
 vnoremap <A-k> :m '<-2<CR>gv=gv
 nnoremap <leader>a ggVG
 " nnoremap <leader>b :Telescope buffers<CR>
-nnoremap ,b :Buffers<CR>
+nnoremap ,b :buffers<CR>
 " nnoremap <leader>t :Explorer<CR>
 " use leader e instead
 nnoremap <leader>y "+yy