Events: initial implementation

app/views/events/index.html.slim

@@ -0,0 +1,36 @@
+.row
+  .col
+    h4.mb-3
+      = t("events.index.subtitle")
+      .float-end
+        a.btn.btn-primary.mb-4 href=new_event_path
+          = t("events.index.new")
+
+.alert.alert-primary role="alert"
+  = t("events.index.message")
+
+- @events.each do |event|
+  .row.mt-3
+    .col
+      css:
+        .card:hover { background-color: lightblue; }
+      .card.h-100
+        .card-header
+          = event.name
+        .card-body
+          .card-text.mb-2
+            = "#{event.contests.size} " + t("events.index.contests") if event.contests.size > 1
+            = "#{event.contests.size} " + t("events.index.contest") if event.contests.size <= 1
+          a.stretched-link href=event_path(event)
+.row.mt-3
+  .col
+    css:
+        .card:hover { background-color: lightblue; }
+    .card.h-100
+        .card-header
+            = t("events.index.my_contests_outside_events")
+        .card-body
+            .card-text.mb-2
+                = "#{@contests_without_event} " + t("events.index.contests") if @contests_without_event > 1
+                = "#{@contests_without_event} " + t("events.index.contest") if @contests_without_event <= 1
+            a.stretched-link href=contests_path