v0.12.0-alpha

What's Changed

• feat: added default project image to server config by @Tpuljak in #389
• feat: agent host mode by @Tpuljak in #390
• refactor: service interfaces by @Tpuljak in #387
• feat: project image param by @Tpuljak in #392
• fix: workspace start stop message to user by @idagelic in #391

Full Changelog: v0.11.0...v0.12.0-alpha