PyKnihovny Brno: Add an extra lesson

Author: encukou

runs/2018/pyknihovny-jaro/info.yml

@@ -83,3 +83,10 @@ plan:
 - title: Moduly
   base: distribution
   date: 2018-06-26
+
+- title: Vlákna
+  slug: threads
+  date: 2018-07-10
+  materials:
+  - title: Vlákna a procesy
+    url: https://github.com/frenzymadness/Advanced_PyLadies/blob/master/08_threads_processes/threads_processes.ipynb