fix(papermark): patch invalid next.config has item before build

Papermark v0.22.0 has an invalid has:{type:'host'} without a value
in next.config, causing next build to fail. Patch it to add value.

install/papermark-install.sh

@@ -34,6 +34,7 @@ EOF
 $STD npm install
 $STD npx prisma generate
 $STD npx prisma migrate deploy
+sed -i -E 's/\{\s*type:\s*"host"\s*\}/{ type: "host", value: ".*" }/g' /opt/papermark/next.config.* 2>/dev/null || true
 $STD npm run build
 msg_ok "Set up Papermark"