Uniq molstar plugin per page

• Use the same molstar plugin to display all the structures of the page
• Remove activator within molstar plugin (use v-model to pass structure url)

content/3.defense-systems/avs.md

@@ -73,7 +73,7 @@ The system was detected in 366 different species.
 
 Proportion of genome encoding the Avs system for the 14 phyla with more than 50 genomes in the RefSeq database.
 
-## Structures
+## Structure
 
 
 ::article-structure