[Feature] Hook up typeorm implementation

[jmaicaaan]

Let's make use of the ActiveRecord implementation, you can find an example at their github

• Unit Test

• Add example with the Account entity

[jmaicaaan]

@ciiidi I didn't make use of the ActiveRecord pattern because I feel like an entity should not do transactions or hold connections to the database. I've created a service which extends the Repository class to have the methods to connect with the database.

Added a User entity with the basic operations. Here is my WIP commit

[jmaicaaan]

Can now be close by adf406e