fix(install): [git] make postinstall script work with git install

- checks for husky executable before attempting to install husky

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>

package.json

@@ -50,7 +50,7 @@
     "fix:dedupe": "yarn dedupe --strategy=highest",
     "fix:format": "prettier --cache --write .",
     "fix:lint": "yarn check:lint --cache --fix",
-    "postinstall": "chmod +x .husky/* && husky install",
+    "postinstall": "[ -f ./node_modules/.bin/husky ] && chmod +x .husky/* && husky install || exit 0",
     "postpack": "toggle-scripts +postinstall",
     "postpublish": "toggle-scripts +prepack",
     "prepack": "toggle-scripts -postinstall && yarn build",