v0.3.1

• Add direct maker
• [rpm] fix lib/*.so rpath before packaging (#110)
• feat:fix appdmg “icon-size” Specification。 (#113)
• Add firebase-hosting publisher.
• Add vercel publisher.
• Modify the publish method to accept FileSystemEntity instead of just File
• Add the workingDirectory parameter to the DefaultShellExecutor and related classes.
• Bump shell_executor to 0.1.2.