update nvim config

dot_config/nvim/lua/plugins/astrocore.lua

@@ -11,11 +11,11 @@ return {
     -- Configure core features of AstroNvim
     features = {
       large_buf = { size = 1024 * 500, lines = 10000 }, -- set global limits for large files for disabling features like treesitter
-      autopairs = true, -- enable autopairs at start
-      cmp = true, -- enable completion at start
-      diagnostics_mode = 3, -- diagnostic mode on start (0 = off, 1 = no signs/virtual text, 2 = no virtual text, 3 = on)
-      highlighturl = true, -- highlight URLs at start
-      notifications = true, -- enable notifications at start
+      autopairs = true,                                 -- enable autopairs at start
+      cmp = true,                                       -- enable completion at start
+      diagnostics_mode = 3,                             -- diagnostic mode on start (0 = off, 1 = no signs/virtual text, 2 = no virtual text, 3 = on)
+      highlighturl = true,                              -- highlight URLs at start
+      notifications = true,                             -- enable notifications at start
     },
     -- Diagnostics configuration (for vim.diagnostics.config({...})) when diagnostics are on
     diagnostics = {
@@ -24,14 +24,14 @@ return {
     },
     -- vim options can be configured here
     options = {
-      opt = { -- vim.opt.<key>
+      opt = {                  -- vim.opt.<key>
         relativenumber = true, -- sets vim.opt.relativenumber
-        number = true, -- sets vim.opt.number
-        spell = false, -- sets vim.opt.spell
-        signcolumn = "auto", -- sets vim.opt.signcolumn to auto
-        wrap = false, -- sets vim.opt.wrap
+        number = true,         -- sets vim.opt.number
+        spell = false,         -- sets vim.opt.spell
+        signcolumn = "auto",   -- sets vim.opt.signcolumn to auto
+        wrap = false,          -- sets vim.opt.wrap
       },
-      g = { -- vim.g.<key>
+      g = {                    -- vim.g.<key>
         -- configure global vim variables (vim.g)
         -- NOTE: `mapleader` and `maplocalleader` must be set in the AstroNvim opts or before `lazy.setup`
         -- This can be found in the `lua/lazy_setup.lua` file
@@ -53,7 +53,17 @@ return {
         --   function() require("astrocore.buffer").nav(-(vim.v.count > 0 and vim.v.count or 1)) end,
         --   desc = "Previous buffer",
         -- },
+        ["<C-j>"] = { "<C-d>", desc = "Scroll half down" },
+        ["<C-k>"] = { "<C-u>", desc = "Scroll half up" },
 
+        ["<leader>sw"] = { "<leader>saiw", desc = "Surround word", remap = true },
+        ["<Leader>sW"] = { "<leader>saiW", desc = "Surround Word", remap = true },
+        ["<Esc>"] = {
+          function()
+            require("notify").dismiss({ silent = true, pending = true })
+          end,
+          desc = "Dismiss notifications",
+        },
         -- mappings seen under group name "Buffer"
         ["<leader>bn"] = { "<cmd>tabnew<cr>", desc = "New tab" },
         ["<Leader>bD"] = {