added short readme doc

.github/workflows/main.yml

@@ -27,5 +27,5 @@ jobs:
         uses: oxsecurity/megalinter/flavors/python@beta
         env:
           VALIDATE_ALL_CODEBASE: true
-          DEFAULT_BRANCH: master
+          DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -0,0 +1,21 @@
+# Fronius-stats
+
+Simple Python script that fetches data from a predefined Fronius inverter.
+Displays: timestamp, current production and how much has been produced during the (day, year) so far.
+
+## Script execution
+Execute in the terminal with the following command: 'python3 fronius.py'
+After script execution the data is fetched from the inverter and trimmed.
+
+## Architecture
+By default it fetches the URL being used froma file called 'api.txt'.
+
+There's also a possibility to use a example response message in a Docker environment.
+In order to use the Docker web service you must edit the python source and comment/uncomment the necessary lines.
+The Docker setup can be found from web_server-directory.
+
+
+## Next steps
+
+Save data to a database.
+Visualize the data.