Group extensions under the 'packages' folder

[alvsan09]

This will follow a consistent folder structure as per default
'lerna' and 'theia'.

It will additionally prevent the top level project from growing as
more extensions get added.

Fixes: eclipse-theia#87

Signed-off-by: Alvaro Sanchez-Leon [email protected]

What it does

How to test

Review checklist

• as an author, I have thoroughly tested my changes and carefully followed the review guidelines

Reminder for reviewers

• as a reviewer, I agree to behave in accordance with the review guidelines

[paul-marechal]

Your changes did not remove the old extension folders...

See: https://github.com/eclipse-theia/theia-blueprint/tree/f9f70abaa6cee5c9b40c3b4c9703865c6e549fb1

Since I already worked on changing the layout when working on the browser version of Blueprint, I opened an alternative PR.

See eclipse-theia#88

[alvsan09]

Your changes did not remove the old extension folders...

See: https://github.com/eclipse-theia/theia-blueprint/tree/f9f70abaa6cee5c9b40c3b4c9703865c6e549fb1

Since I already worked on changing the layout when working on the browser version of Blueprint, I opened an alternative PR.

See eclipse-theia#88

Yeap, the old files were removed on my local repo. although I missed them in the commit,
That's OK, I will close this one to consider PR eclipse-theia#88 instead.