fix: update marked-terminal dep (yaronn#187)

Author: lirantal

examples/marked-terminal.js

@@ -0,0 +1,8 @@
+const blessed = require("blessed")
+const contrib = require("../")
+
+const screen = blessed.screen()
+const markdown = contrib.markdown()
+screen.append(markdown)
+markdown.setMarkdown("- [x] Checkbox")
+screen.render()

package-lock.json

@@ -33,7 +33,7 @@
     "lodash": "~>=4.17.11",
     "map-canvas": ">=0.1.5",
     "marked": "^0.7.0",
-    "marked-terminal": "^1.5.0",
+    "marked-terminal": "^4.0.0",
     "memory-streams": "^0.1.0",
     "memorystream": "^0.3.1",
     "picture-tuber": "^1.0.1",