Add editable install of the client before building the dashboard (#783)

Author: marcelveldt

.github/workflows/release.yml

@@ -57,6 +57,7 @@ jobs:
             tomli_w.dump(pyproject, f)
       - name: Build dashboard
         run: |
+          pip install -e .
           dashboard/script/setup
           dashboard/script/build
       - name: Build python package

dashboard/README.md

@@ -10,6 +10,8 @@ Install the dependencies:
 script/setup
 ```
 
+NOTE: The python matter server (dependencies) also need to be present in order for the setup to succeed.
+
 Run the development server:
 
 ```bash