[Members] make sure chairs are up front

Author: jpthiele

content/members/drittelhacker/index.md

@@ -3,6 +3,6 @@ title: "Jens Saak"
 tags: ["Chair","GAMM member","MaRDI"]
 externalUrl: "https://www.mpi-magdeburg.mpg.de/person/26697/2311"
 showTaxonomies: true
-weight: 0
 showDate: false
+weight: 0
 ---

content/members/jpthiele/index.md

@@ -4,4 +4,5 @@ tags: ["Chair","GAMM member","de-RSE member"]
 externalUrl: "https://github.com/jpthiele"
 showTaxonomies: true
 showDate: false
+weight: 0
 ---

content/members/rspeck/index.md

@@ -4,5 +4,5 @@ tags: ["Chair","GAMM member","de-RSE member"]
 externalUrl: "https://www.fz-juelich.de/profile/speck_r"
 showTaxonomies: true
 showDate: false
-showAuthor: false
+weight: 0
 ---