style(gui): update text and button labels

- Update text and button labels for consistency and clarity.

Author: phodal

gui-sidebar/src/components/mainInput/ContinueButton.tsx

@@ -83,7 +83,7 @@ function ContinueButton(props: {
           ) : (
             <PlayIcon width="18px" height="18px" />
           )}
-          CONTINUE
+          AutoDev
         </>
       )}
     </StyledButton>

gui-sidebar/src/pages/error.tsx

@@ -16,12 +16,12 @@ export default function ErrorPage() {
       className="text-center"
       style={{ backgroundColor: vscBackground }}
     >
-      <h1>Error in Continue React App</h1>
+      <h1>Error in AutoDev Debug page</h1>
       <p>
         <i>{error.statusText || error.message}</i>
       </p>
       <br />
-      <p>Click below to Continue</p>
+      <p>Click below to continue</p>
       <br />
       <ContinueButton
         disabled={false}