rtext: added functions for camel case and snake case

parser/output/raylib_api.lua

@@ -6776,6 +6776,14 @@ return {
         {type = "const char *", name = "text"}
       }
     },
+    {
+      name = "TextToSnake",
+      description = "Get Snake case notation version of provided string",
+      returnType = "const char *",
+      params = {
+        {type = "const char *", name = "text"}
+      }
+    },
     {
       name = "TextToInteger",
       description = "Get integer value from text (negative values not supported)",