updated shell extensions

tte.c

@@ -175,7 +175,7 @@ typedef enum ActionType ActionType;
 char* C_HL_extensions[] = {".c", ".h", ".cpp", ".hpp", ".cc", NULL}; // Array must be terminated with NULL.
 char* JAVA_HL_extensions[] = {".java", NULL};
 char* PYTHON_HL_extensions[] = {".py",".pyw",".py3",".pyc",".pyo", NULL};
-char* BASH_HL_extensions[] = {".sh", NULL};
+char* BASH_HL_extensions[] = {".sh", ".bash", ".zsh", NULL};
 char* JS_HL_extensions[] = {".js", ".jsx", NULL};
 char* PHP_HL_extensions[] = {".php",".phtml", NULL};
 char* JSON_HL_extensions[] = {".json", ".jsonp", NULL};