Extract base url and then add correct path

[jenslys]

Description

Extracts base domain from the provided API_URL and adds the necessary path so it always is correct regardless of what the user enters in the config.

Example: http://test.mydomain.com/test?=-> test.mydomain.com -> https://test.mydomain.com/info/

Related Issues

• Might be related to #74

Checklist

• [x] The issues this PR addresses are related to each other
• [x] My changes generate no new warnings
• [x] My code builds and runs on my machine
• [x] My changes are all related to the related issue above
• [x] I documented my code

Screenshots