k8s/storage: add minio s3 with 3-way replication and oidc

- MinIO 3-node site replication (az-a/b/c)
- S3 backend for Loki chunks (10-day retention)
- OIDC integration with Authentik
- envFrom for secret injection

k8s/storage/test/go.mod

@@ -0,0 +1,23 @@
+module homelab/storage/test
+
+go 1.22
+
+require github.com/minio/minio-go/v7 v7.0.80
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-ini/ini v1.67.0 // indirect
+	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/minio/md5-simd v1.1.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rs/xid v1.6.0 // indirect
+	golang.org/x/crypto v0.28.0 // indirect
+	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)