Import CAD projects and cad-router v1

SimpleCADAPI/docs/api/make_edge_connector_rconnector.md

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+# make_edge_connector_rconnector
+
+## API Definition
+
+```python
+def make_edge_connector_rconnector(connector_id: str, edge: Edge, name: Optional[str] = None, flip: bool = False) -> Connector
+```
+
+*Source: operations.py*
+
+## Import Surface
+
+- top-level: `from simplecadapi import make_edge_connector_rconnector`
+
+## Description
+
+Create a connector anchored to an Edge.
+
+Z axis follows the edge direction (start->end); origin is the edge midpoint.
+Set flip=True to negate the Z axis.