bm: add "Void Machines" civic, machine version of "Void Hive"

better_mi/common/ship_sizes/~bm_ship_sizes.txt

@@ -0,0 +1,93 @@
+mining_station = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	max_hitpoints = @station_civilian_hp
+	modifier = {
+		ship_armor_add = 1000
+		ship_evasion_mult = -1
+	}
+	size_multiplier = 1
+	fleet_slot_size = 1
+	section_slots = { "mid" = { locator = "part1" } }
+	num_target_locators = 0
+	is_space_station = yes
+	build_block_radius = @build_block_radius_civilian
+	is_civilian = no
+	components_add_to_cost = no
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_space_construction" }
+	class = shipclass_mining_station
+	is_designable = no
+	valid_target_aggressive_stance = no
+	auto_upgrade = yes
+
+	resources = {
+		category = station_gatherers
+		cost = {
+			minerals = 100
+		}
+		cost = {
+			trigger = {
+				from = {
+					OR = {
+                        has_valid_civic = civic_void_hive
+                        has_valid_civic = civic_bm_void_machines
+                    }
+				}
+			}
+			unity = 10
+		}
+		upkeep = {
+			energy = 1
+		}
+	}
+}
+
+research_station = {
+	max_speed = 0.0
+	acceleration = 0.0
+	rotation_speed = 0.0
+	max_hitpoints = @station_civilian_hp
+	modifier = {
+		ship_armor_add = 1000
+		ship_evasion_mult = -1
+	}
+	size_multiplier = 1
+	fleet_slot_size = 1
+	section_slots = { "mid" = { locator = "part1" } }
+	num_target_locators = 1
+	is_space_station = yes
+	build_block_radius = @build_block_radius_civilian
+	is_civilian = no
+	components_add_to_cost = no
+
+	enable_default_design = yes	#if yes, countries will have an auto-generated design at start
+	prerequisites = { "tech_space_construction" }
+	class = shipclass_research_station
+	is_designable = no
+	valid_target_aggressive_stance = no
+	auto_upgrade = yes
+
+	resources = {
+		category = station_researchers
+		cost = {
+			minerals = 100
+		}
+		cost = {
+			trigger = {
+				from = {
+					OR = {
+                        has_valid_civic = civic_void_hive
+                        has_valid_civic = civic_bm_void_machines
+                    }
+				}
+			}
+			unity = 10
+		}
+		upkeep = {
+			energy = 1
+		}
+	}
+}