Move Necessary dependencies from dev dependencies to dependencies

[SleeplessOne1917]

Currently if you want to use the client you have to import the following dependencies:

• @sniptt/monads
• class-transformer
• node-fetch
• reflect-metadata

In addition to this, I couldn't get my code to work with the latest version of node-fetch. I wouldn't have even thought to use a lower version of that specific dependency had I not seen the most recent issue before this one. I don't think it makes much sense to manually install dependencies that your dependencies depend on unless you happen to need to use them directly.

Fixing this should be as easy as moving the previously listed dependencies from devDependencies to dependencies in package.json and maybe pinning the correct version of node-fetch. I'll make a PR either on my lunch break or after work.