✨ feat: Add auth flow (#146)

This adds a simple way to incorporate a centralized authentication flow.

The idea is to have the user, API and SSH (for machine authentication)
all in one place using `openauthjs` + `SST`

We also have a database now :)

> We are using InstantDB as it allows us to authenticate a use with just
the email. Plus it is super simple simple to use _of course after the
initial fumbles trying to design the db and relationships_

packages/core/tsconfig.json

@@ -0,0 +1,9 @@
+{
+    "extends": "@tsconfig/node20/tsconfig.json",
+    "compilerOptions": {
+      "module": "esnext",
+      "jsx": "react-jsx",
+      "moduleResolution": "bundler",
+      "noUncheckedIndexedAccess": true,
+    }
+  }