doc: add Blink Labs projects to the using Badger list (#2183)

**Description**

We use Badger in a few of our projects. Adding them to the list of
users. 😄

**Checklist**

- [ ] Code compiles correctly and linting passes locally
- [ ] For all _code_ changes, an entry added to the `CHANGELOG.md` file
describing and linking to
      this PR
- [ ] Tests added for new functionality, or regression tests for bug
fixes added as applicable
- [ ] For public APIs, new features, etc., PR on [docs
repo](https://github.com/hypermodeinc/docs)
      staged and linked here

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

README.md

@@ -278,6 +278,10 @@ Below is a list of known projects that use Badger:
 - [MightyMap](https://github.com/thisisdevelopment/mightymap) - Mightymap: Conveys both robustness
   and high capability, fitting for a powerful concurrent map.
 - [FlowG](https://github.com/link-society/flowg) - A low-code log processing facility
+- [Bluefin](https://github.com/blinklabs-io/bluefin) - Bluefin is a TUNA Proof of Work miner for
+  the Fortuna smart contract on the Cardano blockchain
+- [cDNSd](https://github.com/blinklabs-io/cdnsd) - A Cardano blockchain backed DNS server daemon
+- [Dingo](https://github.com/blinklabs-io/dingo) - A Cardano blockchain data node
 
 If you are using Badger in a project please send a pull request to add it to the list.