chore: add fast-deep-equal library for demoing a custom shouldUpdate method

Author: sghoweri

package.json

@@ -51,6 +51,7 @@
 		"esbuild": "^0.14.54",
 		"eslint": "^8.21.0",
 		"eslint-config-prettier": "^8.5.0",
+		"fast-deep-equal": "^3.1.3",
 		"husky": "^8.0.1",
 		"karma": "6.3.16",
 		"karma-chai-sinon": "^0.1.5",