message: docs(readme): use correct edges anchor
diff: @@ -12,7 +12,7 @@ React Flow is a library for building node-based graphs. You can easily implement
  - [Options](#options-1)
  - [Node Types & Custom Nodes](#node-types--custom-nodes)
  - [Handle Component](#handle-component)
  -- [Edges](#nodes)
  +- [Edges](#edges)
  - [Options](#options)
  - [Edge Types & Custom Edges](#edge-types--custom-edges)
  - [Components](#components)
  