fix(docs): typedoc does no longer support plugin=none

Since v0.24.0 this is the case, see TypeStrong/typedoc#1598 (comment)

package.json

@@ -6,7 +6,7 @@
   "types": "dist/index.d.ts",
   "scripts": {
     "generate-docs": "typedoc --readme none --plugin typedoc-plugin-markdown --disableSources --excludePrivate false --out docs src",
-    "generate-html-docs": "typedoc --readme none --plugin none --out html src",
+    "generate-html-docs": "typedoc --readme none --out html src",
     "prepare": "npm run build && cp export.flow.js dist/index.flow.js",
     "build": "tsc",
     "start": "tsc --watch",