add --no-rich_log flag

use it to disable the RichLog and load the tui_no_log tcss.

update README and add no log screenshot

src/vban_tui/tui.py

@@ -11,11 +11,15 @@ from .settings import Settings
 class VbanTui(App):
     """A Textual App to display VBAN data."""
 
-    CSS_PATH = 'tui.tcss'
+    def _select_css(self):
+        if hasattr(self, '_settings') and not self._settings.rich_log:
+            return 'tui_no_log.tcss'
+        return 'tui.tcss'
 
     def __init__(self):
-        super().__init__()
         self._settings = Settings()
+        self.CSS_PATH = self._select_css()
+        super().__init__()
         self._command_history = CommandHistory()
         self._history_index = None
 
@@ -62,6 +66,11 @@ class VbanTui(App):
 
         self.query_one('#request-input').focus()
 
+        if not self._settings.rich_log:
+            self.query_one('#response-log').remove()
+            self.query_one('#main-grid').styles.height = '20'
+            self.query_one('#main-grid').refresh(layout=True)
+
     def on_key(self, event):
         """Handle key events."""
         request_input = self.query_one('#request-input')