refactor: restructure init.lua to use lazy plugin manager and add lsp configurations

lua/plugins/git.lua

@@ -0,0 +1,63 @@
+return {
+
+	-- git signs
+	{
+		"lewis6991/gitsigns.nvim",
+		opts = {
+			signs = {
+				add = {
+					text = "+",
+				},
+				change = {
+					text = "▎",
+				},
+				delete = {
+					text = "",
+				},
+				topdelete = {
+					text = "▾",
+				},
+				changedelete = {
+					text = "~",
+				},
+				untracked = {
+					text = "┆",
+				},
+			},
+			signs_staged = {
+				add = {
+					text = "+",
+				},
+				change = {
+					text = "▎",
+				},
+				delete = {
+					text = "",
+				},
+				topdelete = {
+					text = "▾",
+				},
+				changedelete = {
+					text = "~",
+				},
+			},
+		},
+	},
+
+	-- lazygit integration
+	{
+		"kdheepak/lazygit.nvim",
+		lazy = true,
+		enabled = false,
+		cmd = {
+			"LazyGit",
+			"LazyGitConfig",
+			"LazyGitCurrentFile",
+			"LazyGitFilter",
+			"LazyGitFilterCurrentFile",
+		},
+		keys = {
+			{ "<leader>lg", "<cmd>LazyGit<cr>", desc = "LazyGit" },
+		},
+	},
+}