Adds api handlers for creating document libraries in sharepoint. This is the first step in allowing us to restore drives that were deleted between backup and restore.
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#### Does this PR need a docs update or release note?
- [x] 🕐 Yes, but in a later PR
#### Type of change
- [x] 🌻 Feature
#### Issue(s)
* #3562
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
Introduces a counting bus, and threads it into restore operations so that we can count the number of
collision skips that occur.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🌻 Feature
#### Issue(s)
* #3562
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
Adds collision policy handling to onedrive item posts. This allows us to override the default "replace" behavior that currently returns a 409 for the creation endpoint, in case we want to use skip (ie: fail) or copy handling.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🌻 Feature
#### Issue(s)
* #3562
#### Test Plan
- [x] 💪 Manual
- [x] ⚡ Unit test
- [x] 💚 E2E
renames /internal/connector to /internal/m365. No logic changes in this PR. Only the dir rename, import renames, and one linter shadowing rename.
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#### Does this PR need a docs update or release note?
- [x] ⛔ No
#### Type of change
- [x] 🧹 Tech Debt/Cleanup
#### Issue(s)
* #1996
#### Test Plan
- [x] ⚡ Unit test
- [x] 💚 E2E
