Highlighted code blocks inside the app (#1153)

app/MindWork AI Studio/Tools/CodeHighlighting/Languages/LuaCodeRules.cs

@@ -0,0 +1,27 @@
+namespace AIStudio.Tools.CodeHighlighting.Languages;
+
+/// <summary>
+/// How Lua code looks to the tokenizer, the language of the plugins of AI Studio, too.
+/// </summary>
+/// <remarks>
+/// Lua writes long strings and comments in brackets, such as [[ … ]] and --[==[ … ]==].
+/// </remarks>
+public static class LuaCodeRules
+{
+    public static readonly CodeLanguageRules RULES = new()
+    {
+        Keywords = CodeLanguageRules.Words(
+            "and", "break", "do", "else", "elseif", "end", "for", "function", "goto", "if", "in", "local", "not", "or",
+            "repeat", "return", "then", "until", "while"),
+
+        Literals = CodeLanguageRules.Words("nil", "true", "false"),
+        FunctionDeclarations = CodeLanguageRules.Words("function"),
+        LineComments = ["--"],
+        HasLongBrackets = true,
+        Strings =
+        [
+            new("\"", "\""),
+            new("'", "'"),
+        ],
+    };
+}