- Add license/Go/modules status badges to the header
- Add a Version column to the modules table and the new `smtp` module
- Mark `auth-firebase` as deferred and correct `auth`/`worker` dependencies
- Replace the ASCII dependency tree with a colour-coded mermaid graph plus a layer legend
- Add a Legal section covering the NOCHEBUENADEV (PFAE) copyright holder, AGPL-3.0 licensing, and the CLA
- Add the `smtp` link reference
- Add the AGPL-3.0 LICENSE file
Adds the README.md that serves as the Einherjar framework's landing page
on the Gitea organization.
Covers the framework name and mythology, the 14-module inventory with
dependency relationships, the ASCII dependency graph, the contracts
governance law, and the "for those who come after" philosophy section.
