Archify Sync server, Dockerfile and Helm chart

Rust server (axum, yrs, sqlx/PostgreSQL): live shared models over the y-websocket protocol, versions, browser sign-in with PKCE, invites, single sign-on through OIDC, metrics. Docker image on distroless, compose file, and a Helm chart with one pod, optional bundled PostgreSQL and secrets from existing Secrets.

Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+resolver = "3"
+members = ["crates/protocol", "crates/store", "crates/server"]
+
+[workspace.package]
+version = "0.1.0"
+edition = "2024"
+license = "MIT"
+repository = "https://gitea.lego-cloud.eu/vscode-extensions/archify-vscode-ext-sync"