[CON-185] people don’t know that the context above and below cursor is included

[sestinj]

vscode.window.showInformationMessage(), see other example in diff.ts where it checks before telling about the accept/reject keyboard shortcuts.

_{From SyncLinear.com | CON-185}

[TyDunn]

I thought about this more, and I think this enough for now:

We should not use too many popups. They are annoying and many people don't read them, especially if they happen too often