Add support for drive root endpoint

[amrita-shrestha]

New endpoint has been added on ocis : https://owncloud.dev/libre-graph-api/#/drives.root/InviteSpaceRoot
Add code to support root endpoint api

• update libre graph package Update libre graph package #224
• get permission Add support for get roles of drive using root endpoint #225
  • add code which detected ocis version added code for getting current oCis version #229
  • throw an exception about API endpoint not implemented on ocis version less than 6.0.0 using capabilities api
• share invite Add share invite method using root endpoint #226
• delete share Add function to remove share invite using root endpoint #227
• update share Add support for update drive share #230
• Refactor root support implementation #232

Ocis-php-sdk story-line for drive invitation

• user A invite user B on drive player.
• user A should be able to update the role, and expiration date and remove the user.
• user B gets invited-drive on getMYdrive.
• user B should able to get all resources inside invited drive.
• user B should able to invite other user if he/she has enough permission.
• user B should get permission of drive on which he/she invited

Test coverage

• user send drive invitation to group

• user A invite user B on drive player.

• user A should be able to update the role, and expiration date and remove the user.

• user B gets invited-drive on getMYdrive.

• user B should able to get all resources inside invited drive.

• user B should able to invite other user if he/she has enough permission.

• user B should get permission of drive on which he/she invited

• Check ocis-php-sdk with moodle-repository-ocis @nirajacharya2

[phil-davis]

The endpoint is available in ocis major version 6, so the code needs to understand that.
Code for that is being added in PR #229

[amrita-shrestha]

@nirajacharya2 and @S-Panta split tests coverage

[amrita-shrestha]

feature support for drive endpoint and tests has been added so closing this issue