Add title and abstract of Juliette's and Stephan's talks

Author: pockie

_data/speakers.yml

@@ -10,9 +10,9 @@ speakers:
       Juliette is self-employed and based in the Netherlands.
     image: '/assets/images/speakers/juliette-reinders-folmer.webp'
     talk:
-      title: 'TBA'
+      title: 'Resurrecting the dead'
       abstract: |
-        TBA
+        "Resurrecting the dead", is basically about what it means to be a maintainer of a popular open source project and about succession management in open source. The talk uses PHPCS as the example project.
     social:
       - icon: 'twitter'
         url: 'https://twitter.com/jrf_nl'
@@ -84,9 +84,9 @@ speakers:
       His primary focus is everything related to web development as well as automation techniques ranging from code generation to deployment automation.
     image: '/assets/images/speakers/stephan-hochdoerfer.webp'
     talk:
-      title: 'TBA'
+      title: 'Need a MACH-ready Search Engine? Choose Gally.'
       abstract: |
-        TBA
+        In this talk, let me introduce you to Gally, an (e-commerce) search engine that powers your application's search experience. I'll show you how Gally works, guide you on how to configure Gally for your specific use case, and demonstrate how to integrate Gally into your application easily thanks to its API-first design principles.
     social:
       - icon: 'twitter'
         url: 'https://twitter.com/shochdoerfer'