v.2.7.0 for MC 1.21, 1.21.1

✨ Features

• Concrete Slabs added (cdc74f7)
• Concrete Stairs added (a8444ed)
• Concrete blocks are now craftable with a water bucket and concrete powder (e0d65ab)
• Concrete blocks are now craftable with a water bucket and concrete powder (d682a4d)
• Concrete Pillar blocks added (71bacc5)
• Polished Concrete blocks added (c7988e6)
• Chiseled Concrete blocks added (fea71a9)
• some Infested Concrete blocks added (03920d4)
• Concrete creative tab added (2eba211)
• Mossy Concrete blocks added (3c03d4d)
• Cracked Concrete blocks added (ee97e6d)
• basic 'The Lost Cities' support added (58d5afa)
• basic 'The Lost Cities' support added (5a2d47a)

🔧 Bug Fixes

• german color translations fixed (83dd10d)
• connected textures fixed (341d4c4)

🔨 Refactoring

• Neon blocks now require an additional glowing ink sac (8880177)