Refactor app in to its own slice

slices/main/templates/trips/index.html.slim

@@ -0,0 +1,23 @@
+- context.content_for(:title, "Trips | ")
+
+div class="mb-4 prose dark:prose-invert max-w-prose mx-auto text-gray-800 dark:text-gray-200"
+  h1 🛫 Trips
+
+  div class="mb-12 max-w-prose mx-auto"
+    table class="prose dark:prose-invert table-fixed"
+      - trip_years.each do |year, trips|
+        thead
+          tr colspan=2
+            td class="text-xl" = year
+        - trips.each do |trip|
+          tr
+            td
+              a class="block" href="/trips/#{trip.id}"
+                = trip.name
+              span class="text-right text-sm text-gray-400 dark:text-indigo-300 break-normal"
+                = "#{trip.start_date.strftime("%d %b")} — #{trip.end_date.strftime("%d %b")}"
+            td
+              = trip.subtitle
+
+
+div class="max-w-screen-md mx-auto border-t border-solid border-gray-200 dark:border-gray-600"