Atreides Assets 0.2.1: icoon in zandkleur

Icoon nu #C8B89E (het zand-accent van de app) op transparant. Versie naar 0.2.1
zonder nieuwe image, om te zien of de Umbrel na de nieuwe start van de repo een
update oppakt. test_appstore_vorm.py: 59 goed, 0 fout.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

whatsnext-atreides-assets/umbrel-app.yml

@@ -9,7 +9,7 @@ manifestVersion: 1
 id: whatsnext-atreides-assets
 category: finance
 name: Atreides Assets
-version: "0.2.0"
+version: "0.2.1"
 tagline: What you own, on your own machine
 description: >-
   A portfolio that nobody else gets to read. Every exchange dashboard and every tracking app
@@ -44,7 +44,11 @@ description: >-
   move it to another machine, or keep several administrations side by side and switch between
   them. There is no export you have to ask for.
 releaseNotes: >-
-  The first update with real features since the app came to umbrelOS. It upgrades the database
+  This update only brings a new app icon; the app itself is unchanged. Coming from 0.1.x? Then
+  the notes for 0.2.0 below apply to you.
+
+
+  0.2.0: the first update with real features since the app came to umbrelOS. It upgrades the database
   on first start, so make sure your backup is recent before you update.