Convert defaultConfig.yaml to a source string

### Feature Summary

We could convert defaultConfig.yaml to a string in the source, much like #24 .
We should probably do this instead of #26 .

### Problem This Solves

Eliminate need for maintaining a `static` directory and handling pathing to that directory.

### Proposed Solution

already described.

### User Stories

_No response_

### Alternatives Considered

_No response_

### Priority/Impact

None

### Examples or References

_No response_

### Additional Context

_No response_

### Are you planning to fix this issue?

No, just reporting the issue

### First-time contributor support

- [ ] I'm new to contributing and would appreciate guidance on the process
- [ ] I'd like help understanding the project structure
- [ ] I need assistance with setting up the development environment
- [ ] I'm comfortable contributing, but new to this project specifically