Sdk implementation

[LambaniSrikanth]

Checklist

• [ 1 ] You created a sdk-implementation branch from main branch.
• [ 1 ] Blog follows Blog Guidelines.
• [ 1 ] You have read the Contribution Guidelines before creating this PR.
• [ 1 ] Checked for any duplicate blog entry.
• [ 1 ] Checked for all grammatical errors in the blog.
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Description of Change

[LambaniSrikanth]

added js-sdk implementation project

[LambaniSrikanth]

modified the mfa login flow