husky v7 and prepare script

Author: alexcjohnson

package-lock.json

@@ -25,6 +25,7 @@
     "private::test.integration-dash-import": "cd tests/integration/dash && python dash_import_test.py",
     "format": "run-s private::format.*",
     "initialize": "run-s private::initialize.*",
+    "prepare": "husky install",
     "lint": "run-s private::lint.*",
     "setup-tests.py": "run-s private::test.py.deploy-*",
     "setup-tests.R": "run-s private::test.R.deploy-*",
@@ -33,7 +34,7 @@
     "test": "pytest && cd dash/dash-renderer && npm run test"
   },
   "devDependencies": {
-    "husky": "6.0.0"
+    "husky": "7.0.0"
   },
   "dependencies": {
     "npm-run-all": "4.1.5"