Update documenter_to_vitepress_docs_example.md (#162)

1. julia is already in "docs" folder, so the viewing command in step 7 needs to be fixed.

2. Typo in the url at the end.

docs/src/documenter_to_vitepress_docs_example.md

@@ -114,7 +114,7 @@ Then the very first step here is to update the `make.jl` file to follow the Docu
 
 7. Next, hit 'Backspace' to get back to the Julia REPL and run:
  ```julia-repl
- juila> DocumenterVitepress.dev_docs("docs/build")
+ juila> DocumenterVitepress.dev_docs("build")
  ```
 
-8. Finally the live preview of your documentation at `hhttp://localhost:5173/Example.jl/` in your browser.
+8. Finally the live preview of your documentation at `http://localhost:5173/Example.jl/` in your browser.