Initial release: Headlamp Sealed Secrets plugin v0.1.0

Features:
- Complete SealedSecret CRD integration with Headlamp
- Client-side encryption using controller's public key
- Support for all three scoping modes (strict, namespace-wide, cluster-wide)
- List and detail views for SealedSecrets
- Encryption dialog for creating new SealedSecrets
- Decryption support with RBAC awareness
- Sealing keys management
- Settings page for controller configuration
- Integration with Secret detail view

Technical:
- Full TypeScript with strict mode
- ~1,345 lines of code
- Build size: 339.42 kB (93.21 kB gzipped)
- Compatible with Headlamp v0.13.0+
- Apache 2.0 license

Security:
- All encryption performed client-side
- RSA-OAEP + AES-256-GCM (kubeseal-compatible)
- Auto-hide decrypted values after 30 seconds

Closes: Initial implementation

headlamp-sealed-secrets/src/index.tsx

@@ -0,0 +1,113 @@
+/**
+ * Headlamp Sealed Secrets Plugin
+ *
+ * A comprehensive plugin for managing Bitnami Sealed Secrets in Kubernetes.
+ * Provides UI for viewing, creating, and managing encrypted secrets.
+ *
+ * Features:
+ * - List and detail views for SealedSecrets
+ * - Client-side encryption using controller's public key
+ * - Sealing keys management
+ * - Secret decryption (via K8s Secret access)
+ * - Integration with Headlamp's Secret detail view
+ *
+ * @see https://github.com/bitnami-labs/sealed-secrets
+ */
+
+import {
+  registerDetailsViewSection,
+  registerRoute,
+  registerSidebarEntry,
+} from '@kinvolk/headlamp-plugin/lib';
+import React from 'react';
+import { SealedSecretDetail } from './components/SealedSecretDetail';
+import { SealedSecretList } from './components/SealedSecretList';
+import { SealingKeysView } from './components/SealingKeysView';
+import { SecretDetailsSection } from './components/SecretDetailsSection';
+import { SettingsPage } from './components/SettingsPage';
+
+/**
+ * Register sidebar navigation
+ */
+
+// Main "Sealed Secrets" entry
+registerSidebarEntry({
+  parent: null,
+  name: 'sealed-secrets',
+  label: 'Sealed Secrets',
+  icon: 'mdi:lock',
+  url: '/sealedsecrets',
+});
+
+// "All Sealed Secrets" child entry
+registerSidebarEntry({
+  parent: 'sealed-secrets',
+  name: 'sealed-secrets-list',
+  label: 'All Sealed Secrets',
+  url: '/sealedsecrets',
+});
+
+// "Sealing Keys" child entry
+registerSidebarEntry({
+  parent: 'sealed-secrets',
+  name: 'sealing-keys',
+  label: 'Sealing Keys',
+  url: '/sealedsecrets/keys',
+});
+
+// "Settings" child entry
+registerSidebarEntry({
+  parent: 'sealed-secrets',
+  name: 'sealed-secrets-settings',
+  label: 'Settings',
+  url: '/sealedsecrets/settings',
+});
+
+/**
+ * Register routes
+ */
+
+// List view
+registerRoute({
+  path: '/sealedsecrets',
+  sidebar: 'sealed-secrets-list',
+  component: () => <SealedSecretList />,
+  exact: true,
+});
+
+// Detail view
+registerRoute({
+  path: '/sealedsecrets/:namespace/:name',
+  sidebar: 'sealed-secrets-list',
+  component: () => <SealedSecretDetail />,
+  exact: true,
+  name: 'sealedsecret',
+});
+
+// Sealing keys view
+registerRoute({
+  path: '/sealedsecrets/keys',
+  sidebar: 'sealing-keys',
+  component: () => <SealingKeysView />,
+  exact: true,
+});
+
+// Settings page
+registerRoute({
+  path: '/sealedsecrets/settings',
+  sidebar: 'sealed-secrets-settings',
+  component: () => <SettingsPage />,
+  exact: true,
+});
+
+/**
+ * Register integration with Secret detail view
+ *
+ * Adds a "Sealed Secret" section to Secrets that are owned by SealedSecrets
+ */
+registerDetailsViewSection(({ resource }) => {
+  if (resource?.kind === 'Secret') {
+    return <SecretDetailsSection resource={resource} />;
+  }
+  return null;
+});