docs: update readme

README.md

@@ -11,13 +11,15 @@ YTAI summarizes YouTube videos and is not the first project to do that. However,
 - **provide a custom prompt**
   - you can tailor the response to your needs by providing a custom prompt just use the default summarization
 - **automatically save summaries**
-  - the summaries will be saved in the directory where you run the app with docker. The summaries will be available under `<YT-channel-name>/<video-title>.md`
+  - the summaries can be automatically saved in the directory where you run the app. The summaries will be available under `<YT-channel-name>/<video-title>.md`
 - **choose from different models**
   - currently available: GPTs from OpenAI
   - Claude is planned
   - by choosing a differnt model, you can summarize even longer videos and potentially get better responses
 - **experiment with settings**
   - adjust the temperature of the model
+- **choose UI theme**
+  - go to the three dots in the upper right corner, select setting a choose either light, dark or my aesthetic custom theme
 
 ## Installation & usage