chore: clarify why we allow spaces inside type tokens

Author: lppedd

src/main/kotlin/com/github/lppedd/cc/language/lexer/conventionalCommit.flex

@@ -77,7 +77,8 @@ FooterType  = [^:\s]+ | BREAKING\ CHANGE
 }
 
 <TYPE> {
-      // The commit type must be at the beginning of the line, and cannot start with a '!'
+      // The commit type must be at the beginning of the line, and cannot start with a '!'.
+      // Note that we allow types with spaces inside, so that inspections can report issues.
       ^[^!(:\r\n][^(:\r\n]*\!? {
         if (yycharat(yylength() - 1) == '!') {
           yypushback(1);