feat(auth): add base oauth client

Signed-off-by: kjuulh <contact@kjuulh.io>

como_auth/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "como_auth"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_gql.workspace = true
+como_core.workspace = true
+como_domain.workspace = true
+como_infrastructure.workspace = true
+
+async-trait.workspace = true
+async-graphql.workspace = true
+async-graphql-axum.workspace = true
+axum.workspace = true
+axum-extra.workspace = true
+axum-sessions.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+uuid.workspace = true
+sqlx.workspace = true
+anyhow.workspace = true
+tracing.workspace = true
+async-sqlx-session.workspace = true
+
+zitadel = { version = "3.3.1", features = ["axum"] }
+tower = "0.4.13"
+tower-http = { version = "0.4.0", features = ["cors", "trace"] }
+oauth2 = "4.4.0"
+openidconnect = "3.0.0"