message: improve docker
  * add support for `phpunit.xml.dist`
  Used in public projects.
  * improve docker
diff: @@ -124,8 +124,8 @@ export const extensions: IFileCollection = {
  { icon: 'delphi', extensions: [], languages: [languages.pascal], format: FileFormat.svg },
  { icon: 'dlang', extensions: [], languages: [languages.dlang], format: FileFormat.svg },
  { icon: 'diff', extensions: [], languages: [languages.diff], format: FileFormat.svg },
  - { icon: 'docker', extensions: ['.dockerignore', 'docker-compose.yml', 'docker-cloud.yml'], filename: true, languages: [languages.dockerfile], format: FileFormat.svg },
  - { icon: 'docker2', extensions: ['.dockerignore', 'docker-compose.yml', 'docker-cloud.yml'], filename: true, languages: [languages.dockerfile], format: FileFormat.svg, disabled: true },
  + { icon: 'docker', extensions: ['.dockerignore', 'docker-compose.yml', 'docker-compose.ci-build.yml', 'docker-compose.override.yml', 'docker-compose.vs.debug.yml', 'docker-compose.vs.release.yml', 'docker-cloud.yml'], filename: true, languages: [languages.dockerfile], format: FileFormat.svg },
  + { icon: 'docker2', extensions: ['.dockerignore', 'docker-compose.yml', 'docker-compose.ci-build.yml', 'docker-compose.override.yml', 'docker-compose.vs.debug.yml', 'docker-compose.vs.release.yml', 'docker-cloud.yml'], filename: true, languages: [languages.dockerfile], format: FileFormat.svg, disabled: true },
  { icon: 'drone', extensions: ['.drone.yml', '.drone.yml.sig'], light: true, filename: true, format: FileFormat.svg },
  { icon: 'editorconfig', extensions: ['.editorconfig'], filename: true, format: FileFormat.svg },
  { icon: 'ejs', extensions: ['ejs'], format: FileFormat.svg },
  