* feat: add blocking strategy
* docs: add examples for blocking strategy
* ci: run go tests recursively
* perf: wait for BlockCheckInterval for each request
* fix: use camel case instead of snake case for yaml config
* docs: add loading and error page customization as a feature
* fix: use errorPage
* fix: return json instead of html page
* set json key
* update development config
* docs: add comment about custom loading pages
* ci: add beta release