Update de_DE.lang

Fix some mistakes. Added Item for Ring Transporter. In german the item has multi use:
- Generate a burst of energy that flings a person across the room and injures or kills
- Person torture, will-make, stun or kill by irradiation of the brain
- Create protective shield that protects against Spears, zats and the Tau'ri weapons. 
- Transmit thoughts
- Activate the ring transporter and the Asgard beam technology
- Seth is also used to make Nish'ta flow out of its containers
- Osiris used it to enable her escape spaceship on a computer in her temple
- Thoth activated with his hand module is a device that apparently scans the Super Soldiers
- Ba'al thus activated his hologram device
- Absorb bursts of fire from a Zat'n'ktel