Release v2.1.0

• (UncleSamSwiss) Switched from gulp to @iobroker/adapter-dev (#839) · Migration guide
• (AlCalzone) Switch build process (React, TypeScript) from parcel to @iobroker/adapter-dev using esbuild (#838) · Migration guide
• (AlCalzone) Updated the creator's dependencies (#877)
• (AlCalzone) Suppress npm messages for deprecated packages, audit and funding (#878)
• (AlCalzone) Add link to generated adapter in console output (#879)
• (AlCalzone) Update pinned adapter dependencies (#880)