Project concept, progress and roadmap (for alpha stage)

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This issue is for who wants to contribute to this project recently.
Because this project still in alpha stage, documents are not ready, this issue only contains simple descriptions and will close after project reached beta release (documents will be ready then).

Project Concept:

• Use seastar framework to manage io and tasks
  • seastar's share nothing design can elide thread locks and atomic operations
• Avoid copy by using std::string_view and seastar::net::packet (iovec)
• Create an advance web framework with modern architecture
  • middleware, di container, and modules

Progress (Completed Features):

• Handle http 1 connection with nodejs's http_parser (support pipeline)
• Middleware (HttpServerRequestHandlerBase)
• DI Container (support constructor dependency injection and scoped lifetime)

Performance:
See #14

Roadmap:
0.1

• (done) Improve performance
• (done) Add application class and module system (provide a neat api for users)
• (done) Add routing handler
• (done) Add routing module
• Add debian package
• Add examples (basic example)
• Add documents
• Add benchmark result

(For following versions see docs/Roadmap.md)

Contribution Guide:

• Use same code style as existing code (tab indent, no new line for {)
• Use c++17 (will upgrade to c++20 in future for coroutine support)
• Add test cases for each feature added

References:

• Seastar framework: https://github.com/scylladb/seastar
• Seastar framework tutorial: https://github.com/scylladb/seastar/blob/master/doc/tutorial.md

If you want to add major features not listed here, you can comment on this issue.

[303248153]

Close since reach 0.1 release, please see readme, documents and roadmap instead.