add max-width of 1200px

Signed-off-by: Lukas Schaefer <lukas@lschaefer.xyz>

Author: lukasdotcom

src/components/AssistantTextProcessingModal.vue

@@ -205,6 +205,8 @@ export default {
 
 .assistant-modal--content {
 	width: 100%;
+	max-width: 1200px;
+	margin: 0 auto;
 	padding: 16px;
 	display: flex;
 	flex-direction: column;