adding more info on our early speakers

content/speakers/corentin_wallez.md

@@ -4,7 +4,7 @@ key: corentin_wallez
 feature: true
 name: Corentin Wallez
 company: Google
-city: null
+city: Paris, France
 photoURL: https://pbs.twimg.com/profile_images/736988508624015361/r_Y_Lx-x_400x400.jpg
 socials:
   - icon: twitter

content/speakers/erik_rasmussen.md

@@ -4,7 +4,7 @@ key: erik_rasmussen
 feature: true
 name: Erik Rasmussen
 company: null
-city: null
+city: Colindres, Spain
 photoURL: https://avatars2.githubusercontent.com/u/4396759?v=4
 socials:
   - icon: twitter

content/speakers/fs0c131y.md

@@ -4,9 +4,12 @@ key: fs0c131y
 feature: true
 name: fs0c131y
 company: null
-city: null
+city: Toulouse, France
 photoURL: https://avatars2.githubusercontent.com/u/36547191?v=4
 socials:
+  - icon: twitter
+    link: https://twitter.com/fs0c131y
+    name: fs0c131y
 
 ---
 - French security researcher.

content/speakers/marie_viley.md

@@ -4,7 +4,7 @@ key: marie_viley
 feature: true
 name: Marie Viley
 company: Zenika
-city: null
+city: Nantes, France
 photoURL: https://lh6.googleusercontent.com/-LZHYx43aSFI/AAAAAAAAAAI/AAAAAAAACd4/xbCJI1QDS3w/photo.jpg
 socials:
   - icon: twitter