Fix missing or generic image alt text in `blog/` posts

[Gupta-02]

Description: Several blog posts include images without descriptive alt attributes. Update them to be descriptive and meaningful.
Why it matters: Accessibility and SEO.
Acceptance criteria:
Identify images in blog/ or docs/ with empty/placeholder alt text
Update the markdown to include descriptive alt="..." attributes
Include a short explanation of why the chosen text is descriptive in PR
Labels: accessibility, documentation, good first issue
Files/areas: blog/**, docs/**

[github-actions]

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[github-actions]

👤 Issue assigned to @Gupta-02.

[sanjay-kv]

I dont suggest bulk update on the docusaurus

[Gupta-02]

Can u suggest which one should I use or any insight I will try to work on this

[github-actions]

✅ This issue has been closed. Thank you for your contribution!