`type-compiler` installation with pnpm requires manually running the install command

[adam-coster]

I can't figure out why that's the case, but when using pnpm add to install @deepkit/type-compiler to a project, it does not run its install command.

Since the docs provide a note that you can run node_modules/.bin/deepkit-type-install to manually install, and this does work with pnpm, this is a minor issue. However, it is easy to miss! May be worth mentioning specifically in the docs (and also that pnpm deepkit-type-install will do the same thing).