ランダムにアバターを生成するように

package.json

@@ -75,6 +75,7 @@
 		"@types/portscanner": "2.1.0",
 		"@types/pug": "2.0.4",
 		"@types/qrcode": "1.3.2",
+		"@types/random-seed": "0.3.3",
 		"@types/ratelimiter": "2.1.28",
 		"@types/redis": "2.8.12",
 		"@types/rename": "1.0.1",
@@ -103,6 +104,7 @@
 		"bootstrap-vue": "2.0.0-rc.13",
 		"bull": "3.7.0",
 		"cafy": "15.1.1",
+		"canvas": "2.4.1",
 		"chai": "4.2.0",
 		"chalk": "2.4.2",
 		"cli-highlight": "2.1.0",
@@ -188,6 +190,7 @@
 		"pug": "2.0.3",
 		"punycode": "2.1.1",
 		"qrcode": "1.3.3",
+		"random-seed": "0.3.0",
 		"randomcolor": "0.5.4",
 		"ratelimiter": "3.3.0",
 		"recaptcha-promise": "0.1.3",