API endpoints must extend and/or duplicate site functionality

[shorodilov]

giver-spec/index.rst

Line 138 in 21f9a21

**All site functions** will be implemented within REST API.

will be implemented term may be confusing.
The goal is to implement general Django views, as well as REST API endpoints.
This line should be changed to:

**All site functions** will be available within REST API.