Add some new tips

[ThatGravyBoat]

Adds 5 new tips

• Enderman Projectiles - Tells the player that enderman cant be hit by projectiles
• Locked Repeaters - Tells the player that if a repeater is powered by its side with another repeater it becomes locked in its current state
• Water Doors - Tells players they can user doors underwater for an air pocket
• Shears Dispensers - Tells players they can put shears in a dispenser to shear sheep.
• Sheared Cave Vines - Tells the player they can shear the ends of cave vines to stop them from growing.