⬆️ Add support for sharedb@5

Author: alecgibson

package.json

@@ -19,7 +19,7 @@
     "mingo": "6.1.0 - 6.2.1"
   },
   "peerDependencies": {
-    "sharedb": "^1.0.0-beta || ^2.0.0 || ^3.0.0 || ^4.0.0"
+    "sharedb": "^1.0.0-beta || ^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0"
   },
   "devDependencies": {
     "async": "^3.2.3",