Add Roles and Relations

[cbaker6]

• Finished ParseOperation along with helper properties/methods to ParseObjects.
• Create ParseRole
• Query - added distinct, aggregate (aggregate needs testing on the server), nor, containedBy, option not to sort near for GeoQueries, relative time query. Switched Query to value type. See below...
• Create ParseRelation along with helper properties/methods to ParseObjects.
• Documentation
• Improve project naming conventions and structure
• Add test cases for added functionality
• Fixed bugs in batch object test cases related to comparing dynamic dates incorrectly that caused random test failures.
• Playground examples

Possible breaking changes:

• Query has been switched to a value type for improved thread safety. You are still able to chain queries, but you may have some warnings to switch from let to var. In addition, if you depended on the reference type of Query, you may need to set the return value to the old value
• Pointerand toPointer - removed fatal error crash when missing objectId. This throws an error instead. The compiler may request for you to add try's in your code depending on your implementation.
• ParseUser - the authData property was added to ParseUser for authentication in the previous PR. The compiler should force any object that conforms to ParseUser to add the property.

[codecov]

Codecov Report

Merging #54 (ed6ec9d) into main (5d15b43) will increase coverage by 1.37%.
The diff coverage is 82.94%.

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   76.28%   77.65%   +1.37%     
==========================================
  Files          46       50       +4     
  Lines        4170     4498     +328     
==========================================
+ Hits         3181     3493     +312     
- Misses        989     1005      +16     

Impacted Files	Coverage Δ
Sources/ParseSwift/API/Responses.swift	67.39% <0.00%> (ø)
...rseSwift/Authentication/3rd Party/ParseApple.swift	78.84% <ø> (ø)
...Swift/Authentication/Internal/ParseAnonymous.swift	86.95% <ø> (ø)
...Authentication/Protocols/ParseAuthentication.swift	72.63% <ø> (ø)
Sources/ParseSwift/LiveQuery/LiveQuerySocket.swift	61.40% <ø> (ø)
...t/LiveQuery/Protocols/ParseLiveQueryDelegate.swift	20.00% <ø> (ø)
Sources/ParseSwift/LiveQuery/Subscription.swift	63.26% <ø> (ø)
Sources/ParseSwift/Objects/ParseUser.swift	74.77% <ø> (-0.18%)	⬇️
...ources/ParseSwift/Storage/ParseKeyValueStore.swift	84.00% <ø> (ø)
Sources/ParseSwift/Types/ParseFile.swift	88.23% <ø> (ø)
... and 24 more

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[cbaker6]

@TomWFox can you look over the docs?

I'm working on the rest of the tests for Role and Relation, but I believe I have most if not all the docs in

[TomWFox]

Only minor requests...

[cbaker6]

Thanks @TomWFox! I recently added some of the missing query constraints. Not too many (2 additions, with 1 parameter added to 3 others), but can look at them? 6bb02bb