feat: Adds jmeter backendlistener maestro plugin

[nunodio]

Description

Closes #ISSUE_NUMBER
Refs #54

• Adds JMeter BackendListener Maestro plugin.

Checklist

• The commit message follows our guidelines
• Tests for the respective changes have been added
• The labels and/or milestones were added

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[github-actions]

Images automagically compressed by Calibre's image-actions ✨

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docs/assets/hits_vs_errors.webp	108.71 KB	103.08 KB	-5.2%	View diff
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jmeter/plugins/jmeter-backendlistener-maestro/docs/img/jmeterbackendlistenermaestrowindow.png	36.58 KB	22.44 KB	-38.7%	View diff

7 images did not require optimisation.

[github-actions]

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docs/assets/hits_vs_errors.webp	103.08 KB	100.69 KB	-2.3%	View diff
docs/assets/response_codes.webp	83.99 KB	81.73 KB	-2.7%	View diff
docs/assets/response_time.webp	117.77 KB	114.64 KB	-2.7%	View diff
docs/assets/summary.webp	36.88 KB	36.48 KB	-1.1%	View diff

8 images did not require optimisation.

[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 1.4%, saving 2.96 KB.

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docs/assets/hits_vs_errors.webp	100.69 KB	99.53 KB	-1.2%	View diff
docs/assets/response_time.webp	114.64 KB	112.85 KB	-1.6%	View diff

10 images did not require optimisation.

[vitaliimelnychuk]

@nunodio Just created this one #179 and put it in the v0.4. I believe, one month would be enough to have this plugin working.

I also created #180, it's related to the Dockerfile you have here but we can have separate PR only for Github action to build and publish image to the Docker registry.