🙈 🔧 chore: Update .gitignore file and add a script to clean build files

Signed-off-by: sqrtthree <[email protected]>

Author: linhe0x0

.gitignore

@@ -59,3 +59,6 @@ typings/
 
 # next.js build output
 .next
+
+# VuePress build output
+docs/.vuepress/dist/

package.json

@@ -25,6 +25,7 @@
     "docs:dev": "vuepress dev docs",
     "docs:build": "vuepress build docs",
     "docs:serve": "serve --single docs/.vuepress/dist",
+    "docs:clean": "rm -r docs/.vuepress/dist",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "license": "MIT",