🚀Upgrade a Mine

A strategic enhancement made by mine creators, allowing them to incrementally improve their mine's efficiency and output. The upgrade levels range from 1 to 5, each providing significant advancements in mining technology and productivity.

Level	Mine Name	Upgrade Price	APR
1	Core Starter	7.5$ $RDA	2000%
2	Sub-Terra Diggers	15 $RDA	2400%
3	Electro Extractors	30 $RDA	2800%
4	Anamagnetic Harvesters	60 $RDA	3200%
5	Extra-Solar Mine	120 $RDA	4000%

From level 1 to level 5 total is 232.5 $RDA).

A joinable mine is a mine that can no longer be upgraded.

Function called : upgradeMine()