feat: install forge dependencies in postinstall (#35)

* feat: install forge dependencies in postinstall

* feat: install foundry for app jobs too

* feat: don't run forge postinstall in CI

* feat: use github actions compatible syntax

* feat: use logging to ensure no false return

* feat: drop forge install from app action

package.json

@@ -7,6 +7,7 @@
   },
   "scripts": {
     "preinstall": "npx -y only-allow pnpm",
+    "postinstall": "[ -z $CI ] && forge install || echo \"Skipping forge install for CI\"",
     "dev": "pnpm --parallel dev",
     "prettier": "pnpm --parallel --no-bail prettier",
     "lint": "pnpm --parallel --no-bail lint",