Migrate to yarn 3

.gitignore

@@ -243,4 +243,12 @@ public/*
 docker-compose.override.yml
 *.macaroon
 *.cert 
-*.key
+*.key
+
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions

.yarnrc.yml

@@ -0,0 +1,3 @@
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-3.2.1.cjs

package.json

@@ -52,5 +52,6 @@
     "build:ts": "tsc",
     "lint": "eslint . --ext .ts",
     "test": "jest"
-  }
+  },
+  "packageManager": "yarn@3.2.1"
 }