Add list to the highlighter keywords

Fixes #227

Author: cyderize

MiniZincIDE/CHANGES

@@ -1,3 +1,7 @@
+2026-04-24
+  v2.9.6
+-  Fix syntax highlighting of the `list` keyword (#227).
+
 2026-01-23
   v2.9.5
 -  Update to MiniZinc 2.9.5.

MiniZincIDE/highlighter.cpp

@@ -31,7 +31,7 @@ Highlighter::Highlighter(QFont& font, const Theme& theme, bool dm, QTextDocument
              << "\\bendif\\b" << "\\benum\\b" << "\\bfloat\\b"
              << "\\bfunction\\b" << "\\bif\\b" << "\\binclude\\b"
              << "\\bintersect\\b" << "\\bin\\b" << "\\bint\\b"
-             << "\\blet\\b" << "\\bmaximize\\b" << "\\bminimize\\b"
+             << "\\blet\\b" << "\\blist\\b" << "\\bmaximize\\b" << "\\bminimize\\b"
              << "\\bmod\\b" << "\\bnot\\b" << "\\bof\\b" << "\\boutput\\b"
              << "\\bopt\\b" << "\\bpar\\b" << "\\bpredicate\\b"
              << "\\brecord\\b" << "\\bsatisfy\\b" << "\\bset\\b"