add multiple chair to workgroups

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

content/groups/accelerator.md

@@ -1,7 +1,8 @@
 ---
 title: "Accelerator Workgroup"
 wgtype: sig
-chair: curtwollbrink
+chair:
+  - curtwollbrink
 members:
   - ibm
   - vantosh

content/groups/compliance.md

@@ -1,7 +1,8 @@
 ---
 title: "Compliance Workgroup"
 wgtype: twg
-chair: sandywoodward
+chair:
+  - sandywoodward
 members:
   - ibm
   - yadro

content/groups/hpc.md

@@ -1,7 +1,8 @@
 ---
 title: "High-Performance-Computing Workgroup"
 wgtype: sig
-chair: allancantle
+chair:
+  - allancantle
 members:
   - allancantle
   - ibm

content/groups/isa.md

@@ -1,7 +1,8 @@
 ---
 title: "Instruction Set Architecture Workgroup"
 wgtype: twg
-chair: paulmackerras
+chair:
+  - paulmackerras
 members:
   - ibm
   - yadro

content/groups/librebmc.md

@@ -1,7 +1,9 @@
 ---
 title: "LibreBMC SIG"
 wgtype: sig
-chair: paullecocq
+chair:
+  - toddrosendahl
+  - karolgugala
 members:
   - ibm
   - google

content/groups/machinelearning.md

@@ -1,7 +1,9 @@
 ---
 title: "Machine Learning AI Work Group"
 wgtype: sig
-chair: lionelclavien
+chair:
+  - lionelclavien
+  - kipwarner
 members:
   - innoboost
   - google

content/groups/memory.md

@@ -1,7 +1,9 @@
 ---
 title: "Memory Workgroup"
 wgtype: twg
-chair: pierreluccantin
+chair:
+  - pierreluccantin
+  - curtwollbrink
 members:
   - ibm
   - google

content/groups/powerpi.md

@@ -1,7 +1,8 @@
 ---
 title: "PowerPi Workgroup"
 wgtype: sig
-chair: yehowshuaimmanuel
+chair:
+  - alexeystepanov
 members:
   - ibm
   - yadro

content/groups/systemsoftware.md

@@ -1,7 +1,8 @@
 ---
 title: "System Software TWG"
 wgtype: twg
-chair: michalzygowski
+chair:
+  - michalzygowski
 members:
   - ibm
   - vantosh

themes/openpowerfoundation/layouts/groups/single.html

@@ -20,17 +20,21 @@
 					<li>Workgroup Details :
 					<ul>
 					{{ if .Param "chair" }}
-						{{ $chairfile := printf "%s/%s" "persons" (.Param "chair") }}
-						{{ with $.Site.GetPage $chairfile }}
-							<li>Chair : <a href="{{ .Permalink }}">{{ .Title }}</a>
+						<li>Chair :<ul>
+						{{ range (.Param "chair") }}
+							{{ $chairfile := printf "%s/%s" "persons" . }}
+							{{ with $.Site.GetPage $chairfile }}
+							<li><a href="{{ .Permalink }}">{{ .Title }}</a>
 							{{ if .Param "member" }}
 								{{ $memberfile := printf "%s/%s" "members" (.Param "member") }}
 								{{ with $.Site.GetPage $memberfile }}
 									(<a href="{{ .Permalink }}">{{ .Title }}</a>)
 								{{ end }}
 							{{ end }}
+							{{ end }}
 							</li>
 						{{ end }}
+						</ul></li>
 					{{ end }}
 					{{ if .Param "wgtype" }}
 						{{ $data := index $.Site.Data }}