Add list of resources about how we organize our events

[Kriesse]

In order to make our learnings and documentation easy to find for us and others, let's add a list of relevant links at the bottom of the page.
E.g. blog posts about how we select talks, organize scholarships, etc.

[Kriesse]

Posts from EU:
http://blog.cssconf.eu/2015/08/15/a-talk-selection-process-explained/
http://blog.cssconf.eu/2014/06/12/how-to-write-a-great-talk-proposal-for-a-tech/
http://blog.cssconf.eu/2014/07/27/time-to-get-up-on-stage-tips-from-a-first-time-speaker/ (guest post Sara Soueidan)
http://blog.cssconf.eu/2015/11/10/cssconf-eu-organizers-interview/
http://blog.cssconf.eu/2015/07/07/interview-jenny-kathambi-cssconfeu-scholarships/