2.0.0

• Adding simple WebGL pipeline.
• Adding simple Android pipeline.
• Removing some extra files from the example project.
• Consecutive main thread pipeline steps are now grouped so other pipelines' steps can't be interleaved with them.
• Existing simple pipelines now set some common settings.
• Steam pipelines now take Steam credentials/CLI paths as constructor parameters instead of needed to set static fields.
• Running a build pipeline now restores the original editor target platform.