chore: initial infrastructure scaffold

Kustomize base + overlays for the full Sunbeam k3s stack:
- base/mesh      — Linkerd edge (crds + control-plane + viz)
- base/ingress   — custom Pingora edge proxy
- base/ory       — Kratos 0.60.1 + Hydra 0.60.1 + login-ui
- base/data      — CloudNativePG 0.27.1, Valkey 8, OpenSearch 2
- base/storage   — SeaweedFS master + volume + filer (S3 on :8333)
- base/lasuite   — Hive sync daemon + La Suite app placeholders
- base/media     — LiveKit livekit-server 1.9.0
- base/devtools  — Gitea 12.5.0 (external PG + Valkey)
overlays/local   — sslip.io domain, mkcert TLS, Lima hostPort
overlays/production — stub (TODOs for sunbeam.pt values)
scripts/         — local-up/down/certs/urls helpers
justfile         — up / down / certs / urls targets

base/data/postgres-cluster.yaml

@@ -0,0 +1,52 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: postgres
+  namespace: data
+spec:
+  instances: 1
+
+  postgresql:
+    parameters:
+      max_connections: "100"
+      shared_buffers: "128MB"
+      work_mem: "4MB"
+
+  bootstrap:
+    initdb:
+      database: postgres
+      owner: postgres
+      secret:
+        name: postgres-superuser
+      postInitSQL:
+        # Create all 10 logical databases and their owners
+        - CREATE USER kratos;
+        - CREATE DATABASE kratos_db OWNER kratos;
+        - CREATE USER hydra;
+        - CREATE DATABASE hydra_db OWNER hydra;
+        - CREATE USER docs;
+        - CREATE DATABASE docs_db OWNER docs;
+        - CREATE USER meet;
+        - CREATE DATABASE meet_db OWNER meet;
+        - CREATE USER drive;
+        - CREATE DATABASE drive_db OWNER drive;
+        - CREATE USER messages;
+        - CREATE DATABASE messages_db OWNER messages;
+        - CREATE USER conversations;
+        - CREATE DATABASE conversations_db OWNER conversations;
+        - CREATE USER people;
+        - CREATE DATABASE people_db OWNER people;
+        - CREATE USER gitea;
+        - CREATE DATABASE gitea_db OWNER gitea;
+        - CREATE USER hive;
+        - CREATE DATABASE hive_db OWNER hive;
+
+  storage:
+    size: 10Gi
+
+  resources:
+    requests:
+      memory: 256Mi
+      cpu: 250m
+    limits:
+      memory: 512Mi