Fixing Build Issues

[larron]

Hey guys,

I ran into a TypeScript build issue when attempting to use this package.
It turned out that it actually wasn't this package directly but instead the underlying Aptos dependency that had some TS issues.

When I went to upgrade the Aptos dependency to see if it would fix the issue, I noticed that this package had Aptos listed in both normal dependencies and peer dependencies. I've removed it from dependences and left it solely in peer, this way the root project can decide what version of Aptos to install.

Additionally, the package failed to build when installing directly from github so I made sure the tsconfig.json which is needed to build and prepare the package now exists (by adding it to files in package.json) and last but not least I've added a prepare step to build the project on install.

Thanks