Update readme and PWA colors

Author: codingjoe

README.md

@@ -9,8 +9,12 @@ Just visit [this link](https://johannes.maron.family/DP100-WebApp/) and you're g
 
 ## Development
 
+This project is based on the [WebHID](https://developer.mozilla.org/en-US/docs/Web/API/WebHID_API) API.
+It is a work-in-progress and not feature-complete. The Modbus implementation has been reverse-engineered
+from the Windows library (`ATK-DP100DLL(x64)_2.0.dll`), which can be found as part of the official software.
+
 If you want to contribute to this project, you can clone this repository and open the `index.html` file in your browser.
 
 ## Credits
 
-Special thanks for @scottbez1 for inspiring this project and being an overall camp.
+Special thanks for [@scottbez1](https://github.com/scottbez1) for inspiring this project and being an overall camp.

assets/icons/icon512_maskable.png

@@ -1,8 +1,9 @@
 {
-  "name": "DP100 Multimeter",
+  "name": "DP100 Digital Power Supply",
+  "description": "Web application for DP100 Digital Power Supply.",
   "short_name": "DP100",
-  "theme_color": "#2196f3",
-  "background_color": "#2196f3",
+  "theme_color": "#03a2e9",
+  "background_color": "#03a2e9",
   "display": "fullscreen",
   "scope": "/DP100-WebApp/",
   "start_url": "/DP100-WebApp/",