this enables the `noImplicitAny` flag in the Typescript compiler
> When the noImplicitAny flag is true and the TypeScript compiler cannot infer the type, it still generates the JavaScript files, but it also reports an error. Many seasoned developers prefer this stricter setting because type checking catches more unintentional errors at compile time.
closes: #1131
replaces #1137
Warning : I was not able to run the tests on my machine. It uses a different approach to handle databse connexion and didn't find where to configure it...
- create a migration file to add a boolean column in user table
- add autoPlayVideo attribute everywhere it is needed (both on client and server side)
- add tests
- add a way to configure this attribute in account-settings
- use the attribute in video-watch component to actually autoplay or not the video