fix(all): Aligning http headers, autogenerate API clients

[r0ssing]

Autogenerate API clients

Description

• This PR aligns the version header to be x-ode-version (instead of the mixed x-formulus-version and x-api-version headers used previously).
• Updates synkronus-portal to use the same autogeneration tooling as formulus (instead of a manually created and maintained
  client)
• Updates the CLI to use go oapi to generate a client for the open api spec.
• Fixes an error in the open api spec (missing "responses" ref)

Type of Change

• Bug Fix
• New Feature / Enhancement
• Refactor / Code Cleanup
• Documentation Update
• Maintenance / Chore
• Other (please specify):

---

Component(s) Affected

• formulus (React Native mobile app)
• formulus-formplayer (React web app)
• synkronus (Go backend server)
• synkronus-cli (Command-line utility)
• Documentation
• DevOps / CI/CD
• Other:

---

Related Issue(s)

Closes/Fixes/Resolves:

---

Testing

• Unit tests added/updated
• Integration tests added/updated
• Manually tested
• Tested on multiple platforms (if applicable)
• Not applicable

---

Breaking Changes

• This PR introduces breaking changes
• This PR does NOT introduce breaking changes

If breaking changes, please describe migration steps:

---

Documentation Updates

• Documentation has been updated
• Documentation update is not required

---

[r0ssing]

This PR now also adds;

• a way to create an admin user on synkronus in case of lock-out
• an option in synkronus to allow for resizing/compression of images on push