v0.0.220

FS-4071: Add contact_us_banner_json to fund-store round model (#290)

* FS-4071: Add contact_us_banner_json to fund-store round model
- contact_us_banner_json is a html str which can be custom per round
- For COF, we have a HTML component with the new design for contact page
- For all other funds and their rounds, we have a placeholder empty str
- Add migration script to update the round model with contact_us_banner
- Update the API endpoint retrieving rounds to get contact_us_banner by language

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* FS-4071: Fix unit test by adding missing key

* FS-4071: Fix unit test by adding missing key

* FS-4071: Mark as no-qa for long files

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