Add prescriptions redirect

Redirect /prescriptions to /prescription-scanner to fix 404 and ensure navigation routes exist by adding a redirect route in App.tsx.

X-Lovable-Edit-ID: edt-0896fbee-f538-4bee-b98e-04a6255b538a

Author: lovable-dev[bot]

src/App.tsx

@@ -68,6 +68,7 @@ const App = () => (
             <Route path="/verify" element={<ProtectedRoute><DrugVerification /></ProtectedRoute>} />
             <Route path="/interactions" element={<ProtectedRoute><DrugInteractions /></ProtectedRoute>} />
             <Route path="/prescription-scanner" element={<ProtectedRoute><PrescriptionScanner /></ProtectedRoute>} />
+            <Route path="/prescriptions" element={<Navigate to="/prescription-scanner" replace />} />
                   <Route path="/history" element={<ProtectedRoute><MedicalHistory /></ProtectedRoute>} />
                   <Route path="/safety" element={<ProtectedRoute><SafetyScore /></ProtectedRoute>} />
                   <Route path="/pharmacist" element={<ProtectedRoute><PharmacistVerification /></ProtectedRoute>} />