Setting up groundwork for vehicle (car) and pathfinding implementation

src/infrastructure/road.odin

@@ -1,14 +1,18 @@
 package infrastructure
 
+import "../common"
+
 Road :: struct {
 	// Index to nodes that limit the road
 	nodes: [2]u32,
+	speed_limit: u8,
 }
 
 // Road Initialisation
 road_init :: proc(start: u32, end: u32) -> Road {
 	return {
-		nodes = {start, end}
+		nodes = {start, end},
+		speed_limit = common.DEFAULT_SPEED_LIMIT,
 	}
 }