Use Resource for temporal file

[Yawolf]

Related with #12

To transform a String to a Protobuf schema, we need to create a temporal file. This is done this way right now:

compendium/modules/server/src/main/scala/higherkindness/compendium/parser/utils.scala

Lines 31 to 51 in 308a780

	def parseProtobufRaw[F[_]: Sync](raw: String)(
	f: ProtoSource => F[FullProtocol]): F[FullProtocol] = {
	val fileName = s"${Random.alphanumeric}.proto"
	val path = "/tmp"
	val filePath = s"$path/$fileName"
	Sync[F]
	.delay {
	new PrintWriter(filePath) {
	write(raw); close()
	}
	ParseProto.ProtoSource(fileName, path)
	}
	.flatMap(f)
	.flatTap(
	_ =>
	Sync[F].delay(
	new File(filePath).delete()
	))
	}

We would like to use a Cats Resource instead.