Alfiya Siddique

Add contributor

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**Description** This PR fixes #5837 **Notes for Reviewers** * Two files added to complete this task namely, `index.mdx` and profile image **[Signed commits](https://github.com/layer5io/layer5/blob/master/CONTRIBUTING.md#signing-off-on-commits-developer-certificate-of-origin)** - [x] Yes, I signed my commits.

Fix: responsiveness issue#5693

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**Description** This PR fixes #5693 **Notes for Reviewers** This PR contains minor style fixes for the mobile size of a section on the blog page. **[Signed commits](https://github.com/layer5io/layer5/blob/master/CONTRIBUTING.md#signing-off-on-commits-developer-certificate-of-origin)** - [x] Yes,...