reposition EOL note, remove VR classroom note

[filipKovachev]

I am removing the VR classroom note and moving the Vue EOL one to the bottom of the article for better readability.

[yordan-mitev]

I added a review of Getting Started with JS and Options API as a PR: https://github.com/telerik/kendo-vue/pull/601. Please review before merging, I added additional explanations and moved some of the code snippets. Please check if the changes make sense and are technically correct.