Add new migration

src/invidious/database/migrations/0012_create_compilation_videos_table.cr

@@ -0,0 +1,30 @@
+module Invidious::Database::Migrations
+    class CreateCompilationVideosTable < Migration
+      version 12
+  
+      def up(conn : DB::Connection)
+        conn.exec <<-SQL
+        CREATE TABLE IF NOT EXISTS public.compilation_videos
+        (
+          title text,
+          id text,
+          author text,
+          ucid text,
+          length_seconds integer,
+          starting_timestamp_seconds integer,
+          ending_timestamp_seconds integer,
+          published timestamptz,
+          compid text references compilations(id),
+          index int8,
+          order_index integer,
+          PRIMARY KEY (index,compid)
+        );
+        SQL
+  
+        conn.exec <<-SQL
+        GRANT ALL ON TABLE public.playlist_videos TO current_user;
+        SQL
+      end
+    end
+  end
+