feat(eduaid_web): add API base fallback and backend connection status#512

BrajamohanDas-afk wants to merge 4 commits intoAOSSIE-Org:mainAOSSIE-Org/EduAid:mainfrom

BrajamohanDas-afk:feat/509-api-client-fallback-connection-bannerBrajamohanDas-afk/EduAid:feat/509-api-client-fallback-connection-bannerCopy head branch name to clipboard