feat(new-scripts): add TREK, SoulSync, UpSnap, Anchor, Slink

- TREK: Self-hosted travel planner (Node.js 22, Express, SQLite)
- SoulSync: Music discovery & automation (Python 3.11, Flask)
- UpSnap: Wake-on-LAN web app (Go binary, PocketBase)
- Anchor: Offline-first note taking (NestJS, Next.js, PostgreSQL)
- Slink: Image sharing platform (PHP/Symfony, SvelteKit, Redis, Caddy)

json/slink.json

@@ -0,0 +1,44 @@
+{
+    "name": "Slink",
+    "slug": "slink",
+    "categories": [
+        11
+    ],
+    "date_created": "2026-04-02",
+    "type": "ct",
+    "updateable": true,
+    "privileged": false,
+    "interface_port": 3000,
+    "documentation": "https://slink.pages.dev",
+    "website": "https://github.com/andrii-kryvoviaz/slink",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/slink.webp",
+    "config_path": "/opt/slink/services/api/.env",
+    "description": "Slink is a self-hosted image sharing platform built with Symfony and SvelteKit. It supports multi-file uploads, image compression, URL shortening, collections, tags, comments, SSO/OIDC, dark mode, and S3 storage.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/slink.sh",
+            "resources": {
+                "cpu": 2,
+                "ram": 2048,
+                "hdd": 10,
+                "os": "Debian",
+                "version": "13"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": null,
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "API runs on Caddy+PHP-FPM (port 8080), client on Node.js (port 3000).",
+            "type": "info"
+        },
+        {
+            "text": "Mercure real-time notifications are not available in this bare-metal setup.",
+            "type": "warning"
+        }
+    ]
+}