Generate ERD diagram from schema at build time rather then dynamically to reduce dependency on mermaid js library in the frontend

db.py

@@ -10,6 +10,7 @@ from features.people_graphs import PeopleGraphs
 from features.person_overview import PersonOverview
 from features.stats import Stats
 from features.dashboard import Dashboard
+from features.schema import Schema
 from utils import get_exercise_graph_model
 
 
@@ -20,6 +21,7 @@ class DataBase():
         self.person_overview = PersonOverview(self.execute)
         self.people_graphs = PeopleGraphs(self.execute)
         self.dashboard = Dashboard(self.execute)
+        self.schema = Schema(self.execute)
 
         db_url = urlparse(os.environ['DATABASE_URL'])
         # if db_url is null then throw error