add mappings to move lines up and down

lua/plugins/astrocore.lua

@@ -5,7 +5,7 @@
 
 ---@type LazySpec
 return {
-  "AstroNvim/astrocore",
+  'AstroNvim/astrocore',
   ---@type AstroCoreOpts
   opts = {
     -- Configure core features of AstroNvim
@@ -26,13 +26,13 @@ return {
     filetypes = {
       -- see `:h vim.filetype.add` for usage
       extension = {
-        foo = "fooscript",
+        foo = 'fooscript',
       },
       filename = {
-        [".foorc"] = "fooscript",
+        ['.foorc'] = 'fooscript',
       },
       pattern = {
-        [".*/etc/foo/.*"] = "fooscript",
+        ['.*/etc/foo/.*'] = 'fooscript',
       },
     },
     -- vim options can be configured here
@@ -41,7 +41,7 @@ return {
         relativenumber = true, -- sets vim.opt.relativenumber
         number = true,         -- sets vim.opt.number
         spell = false,         -- sets vim.opt.spell
-        signcolumn = "yes",    -- sets vim.opt.signcolumn to yes
+        signcolumn = 'yes',    -- sets vim.opt.signcolumn to yes
         wrap = false,          -- sets vim.opt.wrap
       },
       g = {                    -- vim.g.<key>
@@ -58,17 +58,27 @@ return {
         -- second key is the lefthand side of the map
 
         -- navigate buffer tabs
-        ["]b"] = { function() require("astrocore.buffer").nav(vim.v.count1) end, desc = "Next buffer" },
-        ["[b"] = { function() require("astrocore.buffer").nav(-vim.v.count1) end, desc = "Previous buffer" },
+        [']b'] = {
+          function()
+            require('astrocore.buffer').nav(vim.v.count1)
+          end,
+          desc = 'Next buffer',
+        },
+        ['[b'] = {
+          function()
+            require('astrocore.buffer').nav(-vim.v.count1)
+          end,
+          desc = 'Previous buffer',
+        },
 
         -- mappings seen under group name "Buffer"
-        ["<Leader>bd"] = {
+        ['<Leader>bd'] = {
           function()
-            require("astroui.status.heirline").buffer_picker(
-              function(bufnr) require("astrocore.buffer").close(bufnr) end
-            )
+            require('astroui.status.heirline').buffer_picker(function(bufnr)
+              require('astrocore.buffer').close(bufnr)
+            end)
           end,
-          desc = "Close buffer from tabline",
+          desc = 'Close buffer from tabline',
         },
 
         -- tables with just a `desc` key will be registered with which-key if it's installed
@@ -78,6 +88,11 @@ return {
         -- setting a mapping to false will disable it
         -- ["<C-S>"] = false,
       },
+
+      v = {
+        ['J'] = ":m '>+1<CR>gv=gv",
+        ['K'] = ":m '<-2<CR>gv=gv",
+      },
     },
   },
 }