style(init.lua): improve formatting and indentation for better readability

feat(init.lua): add functionality to change cursor color based on different modes for better user experience

lua/absolute/core/init.lua

@@ -1,5 +1,3 @@
--- vim.opt.guicursor = ""
-
 vim.opt.nu = true
 vim.opt.relativenumber = true
 
@@ -32,3 +30,29 @@ vim.opt.colorcolumn = ""
 
 vim.g.mapleader = " "
 vim.g.maplocalleader = ";"
+
+vim.opt.guicursor = "n-v-c:block,i-ci-ve:block,r-cr:hor20,o:hor50,"
+	.. "a:blinkwait700-blinkoff400-blinkon250-Cursor/lCursor,"
+	.. "sm:block-blinkwait175-blinkoff150-blinkon175"
+
+-- Function to change cursor color
+local function set_cursor_color(color)
+	vim.api.nvim_set_hl(0, "Cursor", { fg = color, bg = color })
+end
+
+-- Autocommands to change cursor color based on mode
+vim.api.nvim_create_autocmd("InsertEnter", {
+	pattern = "*",
+	callback = function()
+		set_cursor_color("#ffffff") -- Red in insert mode
+	end,
+})
+
+vim.api.nvim_create_autocmd("InsertLeave", {
+	pattern = "*",
+	callback = function()
+		set_cursor_color("#7DF9FF") -- Blue in visual mode
+	end,
+})
+
+-- Add similar autocommands for other modes as needed