fix images

README.md

@@ -39,7 +39,7 @@ Installation
 
 Download the standalone self contained app to your computer
 by right-clicking the following link and selecting "save as ...":
-[standalone file digiproof-prod](https://codeberg.org/scip/digiproof/raw/branch/master/digiproof-prod.html).
+[standalone file digiproof-prod](https://raw.codeberg.org/scip/digiproof/master/digiproof-prod.html).
 
 Then open the file locally either by double clicking it from
 your filemanager or opening it from your browser (File => Open ...).
@@ -50,14 +50,14 @@ Screenshots
 Here are some screenshots of the app in action. Please note that they might be outdated.
 
 This is the main screen of the app:
-![main screen](https://codeberg.org/scip/digiproof/raw/branch/master/samples/digiproof1.png)
+![main screen](https://raw.codeberg.org/scip/digiproof/master/samples/digiproof1.png?raw=true)
 
 Here we entered some asset data (german language version):
-![network asset](https://codeberg.org/scip/digiproof/raw/branch/master/samples/digiproof10.png)
+![network asset](https://codeberg.org/scip/digiproof/raw/branch/master/samples/digiproof10.png?raw=true)
 
-[Here is a sample printed testament](https://codeberg.org/scip/digiproof/raw/branch/master/samples/sample-testament.pdf).
+[Here is a sample printed testament](https://codeberg.org/scip/digiproof/raw/branch/master/samples/sample-testament.pdf?raw=true).
 
-More screenshots can be found in the [samples](https://codeberg.org/scip/digiproof/src/branch/master/samples)
+More screenshots can be found in the [samples](https://codeberg.org/scip/digiproof/tree/master/samples)
 directory.
 
 Used Javascript Libraries