Add featuredAdventures table and related code

src/lib/db/schema.ts

@@ -0,0 +1,9 @@
+import { pgTable,serial,text } from "drizzle-orm/pg-core";
+
+export const featuredAdventures = pgTable("featuredAdventures",{
+    id:serial("id").primaryKey(),
+    name:text("name").notNull(),
+    location:text("location"),
+})
+
+