Release 0.2.16

What's Changed

• chore: update tutorial with tool links by @BhAem in #254
• feat: support env to enable exporters by @yaozheng-fang in #252
• feat(config): support dotenv file to init env variables by @yaozheng-fang in #261
• allow subagent to start code sandbox in parallel by @cuericlee in #262
• fix: veadk create supports the agent_name parameter by @diseng in #260

Full Changelog: 0.2.15...0.2.16