Rename: Tokyo Wangan Racing (was Fast & Furious: Tokyo Expressway)

- Title in README + GDD, UI/log prefixes FnF -> Wangan
- Rojo project name -> TokyoWanganRacing
- Fix undefined `H` in CarManager seat CFrame (selene error) -> Chassis.BODY_SIZE.Y

src/server/MapBuilder.luau

@@ -347,13 +347,15 @@ local function buildDaikoku(map: Folder)
 	end
 
 	-- Spawn pad (cars appear here — Daikoku is the meet) -----------------------
+	-- Subtle painted zone, NOT neon: the cars are the stars of the meet, the
+	-- floor must never outshine them.
 	local spawn = part({
 		Name = "SpawnPad",
 		Size = Vector3.new(120, 1, 60),
 		CFrame = CFrame.new(0, 1.2, z0 + 130),
-		Color = Color3.fromRGB(20, 220, 120),
-		Material = Enum.Material.Neon,
-		Transparency = 0.4,
+		Color = Color3.fromRGB(45, 60, 55),
+		Material = Enum.Material.Asphalt,
+		Transparency = 0,
 	})
 	spawn.Parent = folder