Whitelist for https://kusama.subsquare.io/referenda/375

- **Problem Statement:** Lack of visibility and accessibility to the Polkassembly Fellowship Referendum on https://kusama.subsquare.io/referenda/375.
- **Significance:** Ensuring all stakeholders can easily participate and vote in the Polkassembly Fellowship Referendum.
- **Proposed Solution:** Implementing a whitelist to make the referendum accessible on https://kusama.subsquare.io/referenda/375.
- **Expected Outcomes:** Increased participation and engagement in the Polkassembly Fellowship Referendum.

#71 Whitelist: Enable Coretime