Merged in feat/common-package (pull request #2333)

feat: Add common package

* Add isEdge, safeTry and dataCache to new common package

* Add eslint and move prettier config

* Fix yarn lock

* Clean up tests

* Add lint-staged config to common

* Add missing dependencies


Approved-by: Joakim Jäderberg

packages/common/global.d.ts

@@ -0,0 +1,5 @@
+import type { DataCache } from "./dataCache/Cache"
+
+declare global {
+  var cacheClient: Promise<DataCache> | undefined
+}