single-file build system for odin inspired by Tsoding's nobuild.c

1. Copy nobuild.odin to your project folder
2. Create mybuild.odin

  package nobuild
  main :: proc() {
    run("odin", "build", "src", "-out:myprogram.exe")
  }

3. Compile build script odin build . -out:build.exe
4. Run build script