chore: add minimal age to package installations (#161)

Author: cryptodev-2s

.yarnrc.yml

@@ -17,3 +17,14 @@ plugins:
     spec: 'https://raw.githubusercontent.com/LavaMoat/LavaMoat/main/packages/yarn-plugin-allow-scripts/bundles/@yarnpkg/plugin-allow-scripts.js'
 
 yarnPath: .yarn/releases/yarn-4.10.3.cjs
+
+# Configure the NPM minimal age gate to 3 days, meaning packages must be at
+# least 3 days old to be installed.
+npmMinimalAgeGate: 4320 # 3 days (in minutes)
+
+# Override the minimal age gate, allowing certain packages to be installed
+# regardless of their publish age.
+npmPreapprovedPackages:
+  - '@metamask/*'
+  - '@metamask-previews/*'
+  - '@lavamoat/*'