[Documentation] add funding statement to readme.md

[jim-smith]

** What aspect of the project could be better explained**
from dare:

Here are the acknowledgments/references that need to be made:
The name of the Project will be UKRI DARE UK - Phase 2 (UKRI Data and Analytics Research Environments UK- Phase 2). This is to ensure a consistent approach and demonstrate this is a pan-UKRI project.
Requirement to reference that the DARE UK - Phase 2 is funded by the UKRI Digital Research Infrastructure Programme; and that Phase 2 is delivered jointly by HDR UK, and ADR UK, and funded by UKRI Digital Research Infrastructure Fund.
Requirement to use the UKRI as well as HDR UK and ADR UK logos in external communications (including press releases, posters, and presentations) relating to activities funded by this Grant.