Cargo.toml: fix missing fields for publishing v0.1.0

[andelf]

No description provided.

[andelf]

@messense @MnO2 Is the exclude field alright? for excluding entire priv/.

[messense]

Run cargo package and verify that in target/package.

[andelf]

> cargo package
warning: Pattern matching for Cargo's include/exclude fields has changed and file `benches/darts_benchmark.rs` is now excluded.
See <https://github.com/rust-lang/cargo/issues/4268> for more information.
warning: Pattern matching for Cargo's include/exclude fields has changed and file `priv/dict.big.bincode` is now excluded.
See <https://github.com/rust-lang/cargo/issues/4268> for more information.
warning: Pattern matching for Cargo's include/exclude fields has changed and file `priv/dict.txt.big` is now excluded.
See <https://github.com/rust-lang/cargo/issues/4268> for more information.
warning: Pattern matching for Cargo's include/exclude fields has changed and file `priv/weicheng.txt` is now excluded.
See <https://github.com/rust-lang/cargo/issues/4268> for more information.
   Packaging darts v0.1.0 (/Users/***/github/rust-darts)
   Verifying darts v0.1.0 (/Users/***/github/rust-darts)
    Updating crates.io index
   Compiling darts v0.1.0 (/Users/***/github/rust-darts/target/package/darts-0.1.0)
    Finished dev [unoptimized + debuginfo] target(s) in 2.36s

darts-0.1.0.crate
├── .cargo_vcs_info.json
├── .editorconfig
├── .gitignore
├── Cargo.toml
├── Cargo.toml.orig
├── LICENSE
├── README.md
├── rustfmt.toml
└── src
    ├── lib.rs
    └── searcher.rs

[codecov-io]

Codecov Report

Merging #16 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #16   +/-   ##
=======================================
  Coverage   78.86%   78.86%           
=======================================
  Files           2        2           
  Lines         265      265           
=======================================
  Hits          209      209           
  Misses         56       56

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[messense]

LGTM

[andelf]

Published as 0.1.0. 🎉