Implement new endpoints

[rdlrt]

Endpoints that make sense to be moved to koios lite instead of full node

[rdlrt]

not essential for v0.0.1

[hodlonaut]

Most of the endpoints that are already in full node that made sense in Lite were already added (the ones not relying on historic context). Are there any brand new endpoints we had planned for Lite, if so where are they listed/described?