Added verified accounts/suggestions panel, updated suggestions route

• Added:
- verified accounts/suggestions panel

• Updated:
- suggestions route

app/lib/verified_suggestions.rb

@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+class VerifiedSuggestions
+  EXPIRE_AFTER = 12.minute.seconds
+  MAX_ITEMS = 12
+  KEY = 'popularsuggestions'
+
+  class << self
+    include Redisable
+
+    def set(account_ids)
+      return if account_ids.nil? || account_ids.empty?
+      redis.setex(KEY, EXPIRE_AFTER, account_ids)
+    end
+
+    def get(account_id)
+      account_ids = redis.get(KEY)
+
+      if account_ids.nil? || account_ids.empty?
+        account_ids = Account.searchable
+          .where(is_verified: true)
+          .discoverable
+          .by_recent_status
+          .local
+          .limit(MAX_ITEMS)
+          .pluck(:id)
+        
+        set(account_ids) if account_ids.nil? || account_ids.empty?
+      else
+        account_ids = JSON.parse(account_ids)
+      end
+
+      return [] if account_ids.nil? || account_ids.empty?
+
+      Account.where(id: account_ids)
+    end
+  end
+end