libscfg v0.2.0

Simon Ser (8):
      build: set library version and soversion
      Print line number in syntax error messages
      Move parser to separate file
      parser: fix -errno return value on fopen() failure
      Add APIs to write scfg files
      Add test for scfg_format_file()
      ci: add .build.yml
      build: bump version to 0.2.0