Add TOTP configuration documentation for WSO2 IS 7.1.0#5596

Copilot wants to merge 3 commits intomasterwso2/docs-is:masterfrom

copilot/fix-f41fdd78-3374-46a5-9699-e3118429fe63wso2/docs-is:copilot/fix-f41fdd78-3374-46a5-9699-e3118429fe63Copy head branch name to clipboard