feat: Added Location, VPN credential bulk delete and rule type mapping

[willguibr]

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Description

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Types of changes

What sort of change does your code introduce/modify?

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.
• [x] This change is using publicly documented and stable APIs.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 14.70588% with 29 lines in your changes missing coverage. Please review.

Project coverage is 57.67%. Comparing base (eb7dfdd) to head (5366111). Report is 1 commits behind head on master.

Files	Patch %	Lines
zia/client.go	0.00%	13 Missing :warning:
.../location/locationmanagement/locationmanagement.go	0.00%	7 Missing :warning:
...trafficforwarding/vpncredentials/vpncredentials.go	0.00%	7 Missing :warning:
zia/services/cloudappcontrol/cloudappcontrol.go	71.42%	1 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #272 +/- ## ========================================== - Coverage 58.23% 57.67% -0.56% ========================================== Files 174 153 -21 Lines 6683 6219 -464 ========================================== - Hits 3892 3587 -305 + Misses 2257 2143 -114 + Partials 534 489 -45 ```

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