added scrollback saving

terminus-terminal/package.json

@@ -19,6 +19,7 @@
   "devDependencies": {
     "@types/deep-equal": "^1.0.0",
     "@types/slug": "^0.9.1",
+    "ansi-colors": "^4.1.1",
     "dataurl": "0.1.0",
     "deep-equal": "1.1.0",
     "hterm-umdjs": "1.4.1",
@@ -31,6 +32,8 @@
     "xterm-addon-fit": "^0.4.0-beta2",
     "xterm-addon-ligatures": "^0.2.1",
     "xterm-addon-search": "^0.4.0",
+    "xterm-addon-serialize": "^0.1.1",
+    "xterm-addon-unicode11": "^0.1.1",
     "xterm-addon-webgl": "^0.5.0-beta.7",
     "zmodem.js": "^0.1.9"
   },