feat: operator-sdk scaffold with Function and Trigger CRDs

- operator-sdk init --domain kube5s.ru
- CRD: Function, Trigger (sless.kube5s.ru)
- controllers: FunctionReconciler, TriggerReconciler (stubs)
- internal/ structure: api, storage/postgres, storage/s3, builder, config
- fix: controller-tools bumped v0.11.1→v0.14.0 (Go 1.23 compat)

config/rbac/function_editor_role.yaml

@@ -0,0 +1,31 @@
+# permissions for end users to edit functions.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/name: clusterrole
+    app.kubernetes.io/instance: function-editor-role
+    app.kubernetes.io/component: rbac
+    app.kubernetes.io/created-by: sless
+    app.kubernetes.io/part-of: sless
+    app.kubernetes.io/managed-by: kustomize
+  name: function-editor-role
+rules:
+- apiGroups:
+  - sless.kube5s.ru
+  resources:
+  - functions
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - sless.kube5s.ru
+  resources:
+  - functions/status
+  verbs:
+  - get