[TS migration] Setup typescript in expensify-common & Migrate CONST, fastMerge, Device, Logger to Typescript - #699

[TS migration] Setup typescript in expensify-common & Migrate CONST, fastMerge, Device, Logger to Typescript#699

roryabraham merged 28 commits into

Expensify:mainExpensify/expensify-common:mainfrom

blazejkustra:ts/configure-typescriptblazejkustra/expensify-common:ts/configure-typescriptCopy head branch name to clipboard