Ruby: Import Sinatra modeling by default

Author: hmac

ruby/ql/lib/codeql/ruby/Frameworks.qll

@@ -27,4 +27,5 @@ private import codeql.ruby.frameworks.ActionDispatch
 private import codeql.ruby.frameworks.PosixSpawn
 private import codeql.ruby.frameworks.StringFormatters
 private import codeql.ruby.frameworks.Json
+private import codeql.ruby.frameworks.Sinatra
 private import codeql.ruby.frameworks.Twirp