Added modelica model emission

tests/manual_test.py

@@ -1,11 +1,14 @@
 import sys
 from bedit_core.serialization import load, save
 from bedit_core.bondgraph import causality_inference
+from bedit_core.modelica import compose_modelica_model
 
 def main(path: str):
     doc = load(path)
     for id, root in doc.root.items():
         doc.root[id] = causality_inference(doc.root[id])
+        composition = compose_modelica_model(doc.root[id])
+        print(composition.modelica)
     save(doc, path)
 
 if __name__ == "__main__":