update code of dash and report of cont_client and devlp abstract of qty

app/routes/engineering.py

@@ -0,0 +1,16 @@
+from flask import Blueprint
+from app.models.width_model import Width
+
+engi_bp = Blueprint("engineering",__name__, url_prefix="/engi")
+
+
+@engi_bp.route("/add")
+def add_width_md():
+
+    return True
+
+
+@engi_bp.route("/list")
+def display_list():
+
+    return True