004 v5-Bootstrap
https://v5.getbootstrap.com/

004 getBootstrap.com
https://getbootstrap.com/

008 TypeScriptLang.org-Not-Null-Assertion-Operator
https://www.typescriptlang.org/docs/handbook/release-notes/typescript-2-0.html#non-null-assertion-operator

011 developers.giphy.com
https://developers.giphy.com/

014 https-quicktype.io-
https://quicktype.io/

019 https-animate.style-
https://animate.style/