add Primeagen's remaps

lua/custom/mappings.lua

@@ -46,3 +46,23 @@ vim.keymap.set('n', '<leader>ys', function()
     end
   end)
 end, { desc = '[Y]ank [S]elector' })
+
+-- https://github.com/ThePrimeagen/init.lua/blob/master/lua/theprimeagen/remap.lua
+-- https://youtu.be/w7i4amO_zaE?si=bRJDSVlL_vvFwmxh
+-- move visually selected block upward or downward
+vim.keymap.set('v', 'J', ":m '>+1<CR>gv=gv")
+vim.keymap.set('v', 'K', ":m '<-2<CR>gv=gv")
+
+-- hold cursor in place while joining lines
+vim.keymap.set('n', 'J', 'mzJ`z')
+
+-- hold cursor in the middle while scrolling half of a page
+vim.keymap.set('n', '<C-d>', '<C-d>zz')
+vim.keymap.set('n', '<C-u>', '<C-u>zz')
+
+-- hold cursor in the middle while navigation throgh search
+vim.keymap.set('n', 'n', 'nzzzv')
+vim.keymap.set('n', 'N', 'Nzzzv')
+
+vim.keymap.set('x', '<leader>p', [["_dP]], { desc = '[P]aste and keep the copy buffer' })
+vim.keymap.set('n', '<leader>rc', [[:%s/\<<C-r><C-w>\>/<C-r><C-w>/gI<Left><Left><Left>]], { desc = '[R]ename [C]urrent word' })