added rule to check that script name is canonical card name

Makefile

@@ -408,6 +408,11 @@ check_requires_card_code:
 check_literals:
 	grep "\"" src/magic/card/* | awk -f scripts/check_literals.awk
 
+check_scripts:
+	diff \
+	<(ls -1 release/Magarena/scripts | sort) \
+	<(grep "name=" -r release/Magarena/scripts/ | sort | sed 's/.*name=//;s/[^A-Za-z0-9]/_/g;s/$$/.txt/')
+
 crash.txt: $(wildcard *.log)
 	for i in `grep "^Excep" -l $^`; do \
 		tail -n +`grep -n "random seed" $$i | tail -1 | cut -d':' -f1` $$i; \