diff --git a/server/README.md b/server/README.md
index daa0a5e..7017727 100644
--- a/server/README.md
+++ b/server/README.md
@@ -2,11 +2,46 @@
 
 //TODO
 
+ - migration script for existing data
 
- - ack/read deliveries && return ack-count
+ - ack/read deliveries && return ack-count  (? or not, how to query?)
 
  - verify pro_token
  - full-text-search: https://www.sqlite.org/fts5.html#contentless_tables
 
+ - update html (--channel, api doku, better send route, etc)
+ - dark mode toggle for html
+
  - deploy
 
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+https://developers.google.com/android-publisher/api-ref/purchases/products/get
+
+https://console.cloud.google.com/apis/credentials?project=api-5982391131063970546-620227
+
+https://pkg.go.dev/google.golang.org/api/androidpublisher/v2
+
+https://github.com/googleapis/google-api-go-client
+
+{
+    "web":
+    {
+        "client_id": "57770789756-7c29a3gif5346dkte194j1rb6u3mt5vs.apps.googleusercontent.com",
+        "project_id": "api-5982391131063970546-620227",
+        "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+        "token_uri": "https://oauth2.googleapis.com/token",
+        "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+        "client_secret": "wG22acxdYUfpi8RkSsjyu6Tw",
+        "redirect_uris":
+        [
+            "https://scn.blackforestbytes.com/index.php"
+        ],
+        "javascript_origins":
+        [
+            "https://scn.blackforestbytes.com"
+        ]
+    }
+}
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~
\ No newline at end of file