Menu sprites from Micropolis

- Removed UI from ZC's Dress Up (may return in a later time)
- Power stations
- Simplified UI
- Time now works
- Income and expenses

scripts/autoload/sim_data.gd

@@ -1,15 +1,18 @@
 extends Node
 
-var city_name: String
-var year: int = 1
+# Hard-coded for now
+var city_name: String = "Furtropolis"
+var year: int = 1980
 var prev_quarter: int
 var quarter: int = 1
 var population: int = 0
 var news_ticker: String
-
 var budget: int = 10000000
 var prev_budget: int
 
+var power_grid: int
+var has_power: bool
+
 var res_tax: int
 var comm_tax: int
 var indust_tax: int

scripts/autoload/sim_events.gd

@@ -1,5 +1,5 @@
 extends Node
 
-signal one_time_income
-signal pay_expense
+signal has_power
+signal budget
 signal game_speed