Add project office hours (#4259)

Change support - temporally removing link to subscriptions as its not finished yet.

README.md

@@ -196,7 +196,9 @@ If you want to help with development, you should first review the [Development C
 ## Support
 
 Support is provided in one of two ways:
-- For commercial or prioritized assistance consider becoming a Partner. Get more information about becoming a Partner by reaching out at https://armbian.com/contact or subscribing to one of our Partner tiers at https://forum.armbian.com/subscriptions.
+- For commercial or prioritized assistance:
+  - book a an hour of [professional consultation](https://calendly.com/armbian/consultation),
+  - consider becoming a project partner. Reach us out at https://armbian.com/contact,
 - Alternatively free support is provided via [general project search engine](https://www.armbian.com/search), [documentation](https://docs.armbian.com), [community forums](https://forum.armbian.com/) or [IRC/Discord](https://docs.armbian.com/Community_IRC/). Keep in mind this is mostly provided by our awesome community members in a **best effort** manner and therefore there are no guarenteed solutions.
 
 ## Contact
@@ -206,6 +208,7 @@ Support is provided in one of two ways:
 - Discord: [http://discord.armbian.com](http://discord.armbian.com)
 - Follow [@armbian](https://twitter.com/armbian) on Twitter or [LinkedIn](https://www.linkedin.com/company/armbian).
 - Bugs: [issues](https://github.com/armbian/build/issues) / [JIRA](https://armbian.atlassian.net/jira/dashboards/10000)
+- Office hours: [Wednesday, 12 midday, 18 afternoon, CET](https://calendly.com/armbian/office-hours)
 
 ## Contributors