docs: update the reference architecture diagram (#251)

* docs: Modified the diagram

* fix: Updated the diagram

* fix: Added space

* Resolved comments

* Update diagram

* fix: rearranged Diagram

* Resolved comments

* Revert "Resolved comments"

This reverts commit 2d01e5b.

* updated the diagram

* fix: Updated Font Size

* fix:Modified arrow

* fix: Moved logs routing to region

* fix: Modified Diagram

* fix: fixed inconsistent capitalization

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Co-authored-by: Arya Girish K <[email protected]>
Co-authored-by: Md Anam Raihan <[email protected]>
Co-authored-by: Shikha Maheshwari <[email protected]>

Author: 4 people