add badges to README

close #9

README.md

@@ -1,5 +1,10 @@
 # nid
 
+[![CI status][ci badge]][ci link]
+[![crates.io][crates.io badge]][crates.io link]
+[![docs][docs badge]][docs link]
+[![Apache 2.0 or MIT Licenses][license badge]][license link]
+
 Generate and parse Nano IDs.
 
 Nano ID is a small, secure, URL-friendly, unique string ID.
@@ -92,3 +97,15 @@ at your option.
 ## Contribution
 
 Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
+
+[ci badge]: https://github.com/ciffelia/nid/actions/workflows/ci.yaml/badge.svg
+[ci link]: https://github.com/ciffelia/nid/actions/workflows/ci.yaml
+
+[crates.io badge]: https://img.shields.io/crates/v/nid?logo=rust
+[crates.io link]: https://crates.io/crates/nid
+
+[docs badge]: https://img.shields.io/badge/docs-online-teal
+[docs link]: https://docs.rs/nid
+
+[license badge]: https://img.shields.io/badge/license-Apache--2.0_OR_MIT-blue
+[license link]: #license

README.tpl

@@ -1,5 +1,10 @@
 # {{crate}}
 
+[![CI status][ci badge]][ci link]
+[![crates.io][crates.io badge]][crates.io link]
+[![docs][docs badge]][docs link]
+[![Apache 2.0 or MIT Licenses][license badge]][license link]
+
 {{readme}}
 
 [`Nanoid::new`]: https://docs.rs/nid/latest/nid/struct.Nanoid.html#method.new
@@ -20,3 +25,15 @@ at your option.
 ## Contribution
 
 Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
+
+[ci badge]: https://github.com/ciffelia/nid/actions/workflows/ci.yaml/badge.svg
+[ci link]: https://github.com/ciffelia/nid/actions/workflows/ci.yaml
+
+[crates.io badge]: https://img.shields.io/crates/v/nid?logo=rust
+[crates.io link]: https://crates.io/crates/nid
+
+[docs badge]: https://img.shields.io/badge/docs-online-teal
+[docs link]: https://docs.rs/nid
+
+[license badge]: https://img.shields.io/badge/license-Apache--2.0_OR_MIT-blue
+[license link]: #license