waveshare2in13v3/waveshare2in13v4: adding v3 and v4 waveshare 2.13" ePaper displays

[x86ed]

1. Please prefix the issue title with the primary package affected.

• creates waveshare2in13v3 with tests and example
• creates waveshare2in13v4 with tests and example

3. Mention the issue number it fixes or add the details of the changes if it doesn't have a specific issue.

• Fixes #63

4. Once integrated, send a PR to https://github.com/periph/cmd to leverage the new functionality (if relevant).

• will update shortly

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 68.98955% with 267 lines in your changes missing coverage. Please review.

Project coverage is 63.1%. Comparing base (c14e02d) to head (86e0892). Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
waveshare2in13v3/waveshare213v3.go	28.9%	89 Missing and 2 partials :warning:
waveshare2in13v4/waveshare213v4.go	32.7%	74 Missing and 2 partials :warning:
waveshare2in13v4/errorhandler.go	0.0%	48 Missing :warning:
waveshare2in13v3/errorhandler.go	0.0%	40 Missing :warning:
waveshare2in13v3/controller.go	97.7%	1 Missing and 2 partials :warning:
waveshare2in13v3/drawing.go	97.8%	2 Missing and 1 partial :warning:
waveshare2in13v4/controller.go	98.1%	1 Missing and 2 partials :warning:
waveshare2in13v4/drawing.go	97.3%	2 Missing and 1 partial :warning:

Additional details and impacted files

@@           Coverage Diff           @@
##            main     #65     +/-   ##
=======================================
+ Coverage   62.5%   63.1%   +0.7%     
=======================================
  Files         64      72      +8     
  Lines       7337    8198    +861     
=======================================
+ Hits        4585    5177    +592     
- Misses      2598    2857    +259     
- Partials     154     164     +10     

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