initialize JSDoc

.jsdoc.conf.json

@@ -0,0 +1,7 @@
+{
+  "source": {
+    "include": ["."],
+    "includePattern": ".+\\.js(doc|x)?$",
+    "excludePattern": "node_modules"
+  }
+}

package.json

@@ -8,7 +8,8 @@
 		"start": "node .",
 		"deploy": "node deploy.js",
 		"lint": "prettier --check . && eslint .",
-		"format": "prettier --write ."
+		"format": "prettier --write .",
+		"jsdoc": "jsdoc -c ./.jsdoc.conf.json -d docs/ -r ."
 	},
 	"author": "",
 	"license": "ISC",