refactor(edges): Make edge updating optional

* add an option to enable edge updating globally
* pass an option to an edge to enable updating for a single edge

Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>

src/types/edge.ts

@@ -31,6 +31,7 @@ export interface Edge<T = any> {
   data?: T
   class?: string
   isHidden?: boolean
+  updatable?: boolean
 }
 
 export interface GraphEdge<T = any> extends Edge<T> {