Add @agriyakhetarpal to the theme team page

Author: agriyakhetarpal

doc/content/about/theme-team.toml

@@ -57,3 +57,13 @@ body = '''
 Pamphile Roy
 '''
 link = 'https://github.com/tupui'
+
+[[item]]
+type = 'card'
+classcard = 'text-center'
+body = '''{{< image >}}
+src = 'https://avatars.githubusercontent.com/u/74401230?v=4"'
+alt = 'Avatar of Agriya Khetarpal'
+{{< /image >}}
+Agriya Khetarpal'''
+link = 'https://github.com/agriyakhetarpal'