cleanups to Cargo.toml, README.md

- clean up dependencies
- update dependencies
- add links to readme shield images

Cargo.toml

@@ -7,11 +7,9 @@ edition = "2021"
 
 [dependencies]
 markdown = "1.0.0-alpha.16"
-serde = "1.0"
-serde_json = "1.0"
-serde_yaml = "0.9"
 regex = "1.10.4"
-log = "0.4.21"
+
+[dev-dependencies]
 indoc = "2"
 lazy_static = "1.4.0"
-paste = "1.0.15"
+paste = "1.0"

README.md

@@ -1,4 +1,7 @@
-![Code Coverage](https://img.shields.io/endpoint?url=https%3A%2F%2Fgist.githubusercontent.com%2Fyshavit%2F53901a0115b596e015a891c41fb0f256%2Fraw%2Fmdq-coverage.json)
-![Pending TODOs](https://img.shields.io/endpoint?url=https%3A%2F%2Fgist.githubusercontent.com%2Fyshavit%2Fe7a9e9e72651da0d7d2b1fbbe56237d0%2Fraw%2Fmdq-todos.json)
-
+[![Code Coverage][coverage-shield]][coverage-link]
+[![Pending TODOs][todos-shield]][todos-link]
 
+[coverage-shield]: https://img.shields.io/endpoint?url=https%3A%2F%2Fgist.githubusercontent.com%2Fyshavit%2F53901a0115b596e015a891c41fb0f256%2Fraw%2Fmdq-coverage.json 
+[coverage-link]: https://github.com/yshavit/mdq/actions/workflows/coverage.yml?query=branch%3Amain
+[todos-shield]: https://img.shields.io/endpoint?url=https%3A%2F%2Fgist.githubusercontent.com%2Fyshavit%2Fe7a9e9e72651da0d7d2b1fbbe56237d0%2Fraw%2Fmdq-todos.json
+[todos-link]: https://github.com/search?q=repo%3Ayshavit%2Fmdq+NOT+path%3A.github%2Fworkflows%2Fcoverage.yml+NOT+path%3AREADME.md+todo&type=code