Added go debugger and some more changes

* Added Go debugger
* Added keymaps + updated description for horizontal window resizing in
neovim
* Updated README

lua/rakshit/plugins/nvim-dap-go.lua

@@ -1,9 +1,8 @@
 return {
-  'leoluz/nvim-dap-go',
-  ft = 'go',
-  dependencies = 'mfussenegger/nvim-dap',
-  config = function(_, opts)
-    require('dap-go').setup(opts)
-    -- require('core-utils').load_mappings('dap_go')
+  "leoluz/nvim-dap-go",
+  ft = "go",
+  dependencies = { "mfussenegger/nvim-dap" },
+  config = function()
+    require("dap-go").setup()
   end,
 }