Update app tracking hints

json/app_tracking_hints.json

@@ -2122,6 +2122,19 @@
     "tag_regex": "v?(\\d+\\.\\d+\\.\\d+)",
     "website": "https://www.kavitareader.com/"
   },
+  "keeper": {
+    "default_ports": [
+      3000
+    ],
+    "file_path": "/root/.keeper",
+    "file_regex": "(?i)(?:v|release[-_/]?)?(\\d+(?:\\.\\d+){1,3}(?:[-+._][0-9A-Za-z.-]+)?)",
+    "github_source": "releases",
+    "installed_via": "file",
+    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/keeper.webp",
+    "repo": "ridafkih/keeper.sh",
+    "tag_regex": "(?i)(?:v|release[-_/]?)?(\\d+(?:\\.\\d+){1,3}(?:[-+._][0-9A-Za-z.-]+)?)",
+    "website": "https://www.keeper.sh/"
+  },
   "keycloak": {
     "default_ports": [
       8080