Add frontend feature : copy to clipboard button to the code snippets

[vimode]

Summary

Added the feature to click and copy code to clipboard on the frontend.
Before the code snippets look like

And with the new component to copytoclipboard it looks like

List of changes proposed in this PR (pull-request)

• Added a new component that handles the logic to copy text to clipboard
• Updated SingleView component to use the new CopyToClipboard component.

I tested them with a few model pages and everything renders and works as expected but if you find a model page that it does not work on properly, please let me know.

Thank you.

[vimode]

The Clipboard API's writeText() method is widely available so it should be compatible with all the latest browser versions.

https://developer.mozilla.org/en-US/docs/Web/API/Clipboard/writeText

[vimode]

I noticed the scivisionpy page also has code blocks but it uses markdown-to-jsx library.
I looked into the library and it allows overrides to add functionality to certain components rendered from the markdown.
If this PR seems fine I can work on trying to add the copy button to those code blocks too.