Construction addon

Key features include:

• 1 custom unbreakable "Construction Pickaxe" for fast mining of construction blocks
  
• Approximately 45 new decorative blocks, including steel beams, frames, and barriers in various colors
  
• 6 new mobs in the form of electronic road signs
  
• New crafting system featuring a specialized "steel workbench"
  
• New materials, including steel ingots (made by smelting iron) and plastic bricks (made from sugar cane)
  
• Decorative tape in multiple colors that players can walk through
  
• Traffic cones and highway barriers
  
• Fake blocks that look like real Minecraft blocks but are purely decorative