Update notty & simple style

styles/notty.json

@@ -48,8 +48,8 @@
     "row_separator": "─"
   },
   "task": {
-    "unticked": "[ ] ",
-    "ticked": "[x] "
+    "unticked": "✗ ",
+    "ticked": "✓ "
   },
   "strikethrough": {
     "block_prefix": "~~",

styles/simple.json

@@ -61,7 +61,8 @@
     "format": "\n--------\n"
   },
   "block_quote": {
-    "block_prefix": "> "
+    "indent": 1,
+    "indent_token": "> "
   },
   "definition_list": {},
   "definition_term": {},