feat: Add useVueFlow composable

* Allows for use of the vue flow instance without having to listen to the onLoad event
* fix usekeypress export
* Add types for controls events

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

src/index.ts

@@ -22,7 +22,8 @@ export { default as useZoomPanHelper } from './composables/useZoomPanHelper'
 export { default as useStore } from './composables/useStore'
 export { default as useHooks } from './composables/useHooks'
 export { default as useHandle } from './composables/useHandle'
-export { default as useKeyPress } from './composables/useHandle'
+export { default as useKeyPress } from './composables/useKeyPress'
+export { default as useVueFlow } from './composables/useVueFlow'
 
 export * from './additional-components'
 export * from './types'