refactor `web:generated-docs`

package.json

@@ -101,7 +101,6 @@
     "build:lib": "babel --version && babel src --source-maps -d lib",
     "build": "npm-run-all --parallel build:js build:css --serial build:gzip size",
     "clean": "rm -rf lib && rm -rf dist",
-    "docs": "cd website && node node_modules/documentation/bin/documentation.js readme ../src/index.js --readme-file=src/docs/generated.md --section 'Uppy Core & Plugins' -q --github -c doc-order.json",
     "lint:fix": "eslint src test website/build-examples.js website/update.js website/themes/uppy/source/js/common.js --fix",
     "lint": "eslint src test website/build-examples.js website/update.js website/themes/uppy/source/js/common.js",
     "lint-staged": "lint-staged",
@@ -128,7 +127,8 @@
     "dev": "npm-run-all --parallel watch:example:js watch:css watch:example:browsersync",
     "web:build": "cd website && node update.js && ./node_modules/.bin/hexo generate --silent && node build-examples.js",
     "web:clean": "cd website && ./node_modules/.bin/hexo clean",
-    "web:deploy": "npm-run-all web:install web:disc docs web:build && ./bin/web-deploy",
+    "web:deploy": "npm-run-all web:install web:disc web:generated-docs web:build && ./bin/web-deploy",
+    "web:generated-docs": "cd website && node node_modules/documentation/bin/documentation.js readme ../src/index.js --readme-file=src/docs/api.md --section 'Uppy Core & Plugins' -q --github -c doc-order.json",
     "web:disc": "npm run build:bundle:fullpath && discify dist/uppy-fp.js --output website/src/_disc.html && echo '---\nlayout: false\n---\n' |cat - website/src/_disc.html > website/src/disc.html && rm website/src/_disc.html",
     "web:install": "cd website && npm install",
     "web:bundle:update:watch": "onchange 'dist/**/*.css' 'dist/**/*.js' --initial --verbose -- node website/update.js",