card_fields rewrite and magic-modules.mse-include (#21)

Overhauls the card_fields file to allow for template designers more freedom in manipulating data.

Adds magic-modules.mse-include, a large scale include file for building templates in a standardized way. Applying this to existing frames will be coming in future updates.

data/magic-genevensis-90-counter.mse-style/style

@@ -39,7 +39,16 @@ card dpi: 300
 ############################################################## Extra scripts
 init script:
 	card_shape := { "counter" }
-	
+	faces_coordinates := {
+		[
+			[
+				left: 0,
+				top: 0,
+				width: ((if styling.increase_height then 520 else 420) + increased_width()),
+				height: (if styling.increase_height then 260 else 160)
+			]
+		]
+	}
 	guild_mana := { styling.use_guild_mana_symbols }
 	
 	ancestral_mana := { false }