fix: add 'c' to connector shortcut

tldraw/apps/tldraw-logseq/src/lib/tools/LineTool.tsx

@@ -5,7 +5,6 @@ import { LineShape, type Shape } from '../shapes'
 // @ts-expect-error maybe later
 export class LineTool extends TLLineTool<LineShape, Shape, TLReactEventMap> {
   static id = 'line'
-  // not sure why "c" is not working in Logseq?
-  static shortcut = ['5']
+  static shortcut = ['5', 'c']
   Shape = LineShape
 }