minor: edit EM app description on landing page

app.py

@@ -132,8 +132,8 @@ with SinglePageLayout(server) as layout:
                             vuetify3.VIcon("mdi-radar", size=52, color="primary", classes="mb-4")
                             vuetify3.VCardTitle("Electromagnetic Scattering", classes="text-h5 mb-2")
                             vuetify3.VCardText(
-                                    "Simulate electromagnetic wave scattering using quantum Hamiltonian Simulation. \n The governing time-domain Maxwell equations are re-cast to Schrödinger-type equations and an equivalent Hamiltonian is computed, and evolved over time. "
-                                "\n \n Configure geometry, excitation, and visualize field propagation.",
+                                    "Simulate electromagnetic wave scattering using quantum Hamiltonian Simulation. Time-domain Maxwell equations are re-cast to Schrödinger-type equations and an equivalent Hamiltonian is computed, and evolved over time. "
+                                "Configure geometry, excitation, and visualize field propagation.",
                                 classes="text-body-2 mb-6",
                             )
                             vuetify3.VBtn(