Update README.md and add sponsorship infos (#938)

README.md

@@ -54,3 +54,12 @@ License
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 [Eclipse Public License (EPL) v2.0](https://www.eclipse.org/legal/epl-2.0/)
+
+Support us with processing power
+--------------------------------
+
+If your Organizations is an [Eclipse Member](https://www.eclipse.org/membership/exploreMembership.php) you can help us by [sponsoring one of the included resource packs](https://github.com/eclipse-cbi/cbi/wiki#assigning-additional-resources-to-a-project) to speed up builds. Organizations can check how many Resource Packs they have left for project sponsoring on the [membership portal](https://membership.eclipse.org/portal/login).
+
+The following Organizations support PDE getting processing power for their builds:
+* <img src="https://www.eclipse.org/favicon.ico" width="16" height="16"> [Eclipse Foundation](https://www.eclipse.org/sponsor/) - host our CI Infrastructure, become a friend of Eclipse and support the Eclipse Foundation in general
+