Add color command

package.json

@@ -9,6 +9,7 @@
   },
   "dependencies": {
     "asciidoctor": "^2.2.5",
+    "color": "^4.2.3",
     "next": "12.1.0",
     "node-fetch": "^3.2.0",
     "phosphor-react": "^1.3.1",
@@ -17,6 +18,7 @@
     "swr": "^1.1.2"
   },
   "devDependencies": {
+    "@types/color": "^3.0.3",
     "@types/node": "16.11.11",
     "@types/react": "17.0.37",
     "eslint": "7.32.0",