[API] Add route to get current state

Signed-off-by: Emilien Kenler <hello@emilienkenler.com>
[WEB] Display current state

Signed-off-by: Emilien Kenler <hello@emilienkenler.com>
[WEB] ff=unix

Signed-off-by: Emilien Kenler <hello@emilienkenler.com>
[CRAWLER] Don't scrapp binary content + clean stop

Signed-off-by: Emilien Kenler <hello@emilienkenler.com>