Add Weapon and Armor Attachment descriptions

[ThisIsNoZaku]

• [x] Core
• [x] Fly Casual
• [x] No Disintegration
• [x] Suns of Fortune
• [x] Lords of Nal Hutta
• [x] Far Horizons
• [x] Enter the Unknown
• [x] Dangerous Covenants
• [x] Special Modifications