changed dis.cool to tracr.co

[Greek]

domain name change, see #561

[Greek]

found out that sites were sorted alphabetically, making changes tomorrow :pp

[Greek]

ready to push :)

[jeroenev]

I'm getting false positives for this service.
Ex.

[+] tracr.co: https://tracr.co/users/1/GArbadgershkj3484153sdf35s4f1s5a3df4a6s81f5d3sa486se4f53

EDIT: only seems to happen on very long strings. seems like the sites returns an empty page when using such a long string.
Using regular length strings does not return a false positive.

[sdushantha]

@jeroen7s That is because they only allow usernames with max length 32 chars
Here are the criteria for the usernames:

[sdushantha]

Merging this now 🚀
Thank you @apap04 for the PR and thank you @jeroen7s for noticing the bug with the long strings :)