Fix #2280 - code block highlights (#2338)

* Fix #2280; code highlight & minor linter change

* Fix #2280; adjust code highlight

website/docs/guides/dynamic-assets.mdx

@@ -11,7 +11,7 @@ By installing a custom AssetsHandler, you can serve your own assets using a cust
 
 In our example project, we will create a simple assets handler which will load files off disk:
 
-```go title=main.go {16-35,49}
+```go title=main.go {17-36,49}
 package main
 
 import (

website/docs/howdoesitwork.mdx

@@ -141,7 +141,7 @@ Wails requires that you pass in an _instance_ of the struct for it to bind it co
 
 In this example, we create a new `App` instance and then add this instance to the `Bind` option in `wails.Run`:
 
-```go {16,24} title="main.go"
+```go {17,27} title="main.go"
 package main
 
 import (
@@ -188,7 +188,7 @@ func (a *App) Greet(name string) string {
 
 You may bind as many structs as you like. Just make sure you create an instance of it and pass it in `Bind`:
 
-```go {8-10}
+```go {10-12}
     //...
 	err := wails.Run(&options.App{
 		Title:  "Basic Demo",
@@ -276,7 +276,7 @@ it will be returned to your frontend as a JavaScript class.
 
 :::info Note
 
-Struct fields *must* have a valid `json` tag to be included in the generated TypeScript.
+Struct fields _must_ have a valid `json` tag to be included in the generated TypeScript.
 
 Anonymous nested structs are not supported at this time.