Add slots based per class, admin courses mgmt, admin roles, horizontal nav/landing, glove favicon

prisma/schema.prisma

@@ -162,3 +162,15 @@ model Absence {
   date    DateTime
   reason  String?
 }
+
+model ClassSlot {
+  id        String   @id @default(cuid())
+  slug      String   @unique
+  label     String
+  sport     String
+  time      String
+  capacity  Int      @default(20)
+  booked    Int      @default(0)
+  isFull    Boolean  @default(false)
+  updatedAt DateTime @updatedAt
+}