Updated each Repeatable to use the built in repeatable weight & cost system instead of a fixed cost of 50,000 + 10,000 per level

---
Old:
cost = 100000
cost_per_level = 10000
tier = 5
---
New:
cost = @repeatableTechBaseCost
cost_per_level = @repeatableTechLevelCost
tier = @repeatableTechTier
---

Confirmed Functionality & Updated Version to 3.7

• Added new icon
  
• Doubled the Cost Increase (Per Level) for the Megastructure Cap +1 Repeatable
  
• Rebalanced Megastructure Cost Decreasing from 5% to 2.5%