docs(showcase): Update datagit.ir showcase image, description, and tags

[massoudmaboudi]

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⚡️ Lighthouse report for the deploy preview of this PR

URL	Performance	Accessibility	Best Practices	SEO	Report
/	🔴 44	🟢 98	🟢 96	🟢 100	Report
/docs/installation	🔴 49	🟢 97	🟢 100	🟢 100	Report
/docs/category/getting-started	🟠 72	🟢 100	🟢 100	🟠 86	Report
/blog	🟠 63	🟢 96	🟢 100	🟠 86	Report
/blog/preparing-your-site-for-docusaurus-v3	🟠 62	🟢 92	🟢 100	🟢 100	Report
/blog/tags/release	🟠 63	🟢 96	🟢 100	🟠 86	Report
/blog/tags	🟠 73	🟢 100	🟢 100	🟠 86	Report

[slorber]

Thanks

Can you please reduce the size of the image to what it was before?

node admin/scripts/resizeImage.js --width 640 --height 320 image1.png

[massoudmaboudi]

Thanks

Can you please reduce the size of the image to what it was before?

node admin/scripts/resizeImage.js --width 640 --height 320 image1.png

Thanks for checking @slorber
it is done.