refactor: Include table sizes in comment at top of unicode_data.rs

To make changes in table size obvious from git diffs

Author: Kmeakin

core/src/unicode/unicode_data.rs

@@ -1,4 +1,14 @@
 ///! This file is generated by `./x run src/tools/unicode-table-generator`; do not edit manually!
+// Alphabetic      :  1727 bytes, 142759 codepoints in 757 ranges (U+000041 - U+0323B0) using skiplist
+// Case_Ignorable  :  1053 bytes,   2749 codepoints in 452 ranges (U+000027 - U+0E01F0) using skiplist
+// Cased           :   407 bytes,   4578 codepoints in 159 ranges (U+000041 - U+01F18A) using skiplist
+// Cc              :     9 bytes,     65 codepoints in   2 ranges (U+000000 - U+0000A0) using skiplist
+// Grapheme_Extend :   887 bytes,   2193 codepoints in 375 ranges (U+000300 - U+0E01F0) using skiplist
+// Lowercase       :   935 bytes,   2569 codepoints in 675 ranges (U+000061 - U+01E944) using bitset
+// N               :   457 bytes,   1911 codepoints in 144 ranges (U+000030 - U+01FBFA) using skiplist
+// Uppercase       :   799 bytes,   1978 codepoints in 656 ranges (U+000041 - U+01F18A) using bitset
+// White_Space     :   256 bytes,     25 codepoints in  10 ranges (U+000009 - U+003001) using cascading
+// Total           :  6530 bytes
 
 #[inline(always)]
 const fn bitset_search<