Feature standard datasets - part 2

[ghanse]

Proposed changes

Added the following standard datasets:

• basic/geometries - Simulates WKT geometry representations; Supports POINT, LINESTRING, and POLYGON types
• _basic/processhistorian - Simulates time-series data from manufacturing systems
• basic/telematics - Simulates time-series data from GPS tracking systems
• benchmark/groupby - A benchmarking dataset with grouping columns and values of various data types

Types of changes

What types of changes does your code introduce to dbldatagen? Put an x in the boxes that apply

• [ ] 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 not work as expected)
• [x] Change to tutorials, tests or examples
• [ ] Non code change (readme, images or other non-code assets)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [x] Lint and unit tests pass locally with my changes
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have added necessary documentation (if appropriate)
• [x] Any dependent changes have been merged and published in downstream modules
• [x] Submission does not reduce code coverage numbers
• [x] Submission does not increase alerts or messages from prospector / lint

Further comments

N/A

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 88.32487% with 23 lines in your changes missing coverage. Please review.

Project coverage is 92.39%. Comparing base (da1df6b) to head (7c77e2a).

:exclamation: Current head 7c77e2a differs from pull request most recent head e7a6216

Please upload reports for the commit e7a6216 to get more accurate results.

Files	Patch %	Lines
dbldatagen/datasets/basic_telematics.py	81.25%	8 Missing and 4 partials :warning:
dbldatagen/datasets/basic_process_historian.py	82.92%	6 Missing and 1 partial :warning:
dbldatagen/datasets/basic_geometries.py	95.91%	1 Missing and 1 partial :warning:
dbldatagen/datasets/benchmark_groupby.py	94.87%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #286 +/- ## ========================================== - Coverage 92.63% 92.39% -0.24% ========================================== Files 38 42 +4 Lines 3380 3577 +197 Branches 589 631 +42 ========================================== + Hits 3131 3305 +174 - Misses 141 158 +17 - Partials 108 114 +6 ```

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