shelf_static

Prepare to publish shelf_static (#443)

• Require analyzer: ^8.1.1
• Require build: ^4.0.0
• Require build_config: ^1.2.0
• Require source_gen: ^4.0.1
• Require sdk: ^3.9.0

• Require Dart ^3.3.0.
• Update package:mime constraint to >=1.0.0 <3.0.0.

• Require analyzer: '>=7.4.0 <9.0.0'
• Require build: ^3.0.0
• Require build_config: ^1.1.0
• Require source_gen: ^3.0.0
• Require sdk: ^3.7.0

• Added package topics to the pubspec file.
• Require Dart 2.17.

• Support the latest package:analyzer and package:source_gen
• Require sdk: ^3.3.0

• Require Dart 2.14.
• Update the pubspec repository field.

• Correctly handle HEAD requests.
• Support HTTP range requests.

• Migrate to null safety.

• Change version constraint for the mime dependency, so it accepts null-safe versions.

• Change version constraint for the shelf dependency, so it accepts null-safe versions.

• Update SDK constraint to >=2.0.0-dev.61 <3.0.0.

• Directory listings are now sorted.

• Require at least Dart SDK 1.24.0.
• Other internal changes e.g. removing dep on scheduled_test.

• Updated SDK version to 2.0.0-dev.17.0

• Add a createFileHandler() function that serves a single static file.

• Add an optional contentTypeResolver argument to createStaticHandler.

• Add support for "sniffing" the content of the file for the content-type via an optional useHeaderBytesForContentType argument on createStaticHandler.

• Added listDirectories argument to createStaticHandler.

• Support http_parser 1.0.0.

• Support http_parser 2.0.0.

• Support shelf 0.7.0.

• Support http_parser 3.0.0.

• Bumped up minimum SDK to 1.7.0.

• Added support for shelf 0.6.0.

• Removed Uri format checks now that the core libraries is more strict.

• Removed deprecated getHandler.

• Send correct mime type for default document.

• Added named (optional) defaultDocument argument to createStaticHandler.

• Using latest shelf. Cleaned up test code by using new features.

• Handle differences in resolution between DateTime and HTTP date format.

• Updated development dependencies.

• createStaticHandler added serveFilesOutsidePath optional parameter.

• The preferred top-level method is now createStaticHandler. getHandler is deprecated.
• Set content-type header if the mime type of the requested file can be determined from the file extension.
• Respond with 304-Not modified against IF-MODIFIED-SINCE request header.
• Better error when provided a non-existent fileSystemPath.
• Added example/example_server.dart.

• Correctly handle requests when not hosted at the root of a site.
• Send last-modified header.
• Work around known issue with HTTP date formatting.

• Removed work around for issue.