3rd battlements boss

Version 2.7.4 is online:

• the Slime King boss (the game now has 20 bosses, 3 more are planned before we leave early access)
• increased Knight starting armor to 25 hits
• increased drop rates for Antidote and Dragonfire Potion in the first 2 levels
• armor/shield is no longer removed with Dragonfire potions
• fixed rock drops during tutorial level
• fixed drawing bug with bigger NPC dialogue bubbles
• added missing translations
• fixed Trickster boss netcode bugs