Add badges to README

Author: davidsteiner

.github/workflows/release.yml

@@ -21,9 +21,9 @@ jobs:
           tool: protoc
       - name: Checkout
         uses: actions/checkout@v2
-      - name: get version
+      - name: Get version
         run: echo PACKAGE_VERSION=$(sed -nE 's/^\s*version = "(.*?)"/\1/p' Cargo.toml) >> $GITHUB_ENV
-      - name: check published version
+      - name: Check published version
         run: echo PUBLISHED_VERSION=$(cargo search kcl --limit 1 | sed -nE 's/^[^"]*"//; s/".*//1p' -) >> $GITHUB_ENV
       - name: cargo login
         if: env.PACKAGE_VERSION != env.PUBLISHED_VERSION
@@ -34,7 +34,7 @@ jobs:
           cargo package
           echo "We will publish:" $PACKAGE_VERSION
           echo "This is current latest:" $PUBLISHED_VERSION
-      - name: Publish KCL
+      - name: Publish
         if: env.PACKAGE_VERSION != env.PUBLISHED_VERSION
         run: |
           echo "# Cargo Publish"

README.md

@@ -1,3 +1,7 @@
+[![crates-badge]](https://crates.io/crates/ddtrace)
+[![docs-badge]](https://docs.rs/ddtrace)
+[![Crates.io](https://img.shields.io/crates/l/ddtrace)](LICENSE)
+
 Datadog tracing and log correlation for Rust services.
 
 Datadog has official support for Python, which includes various SDKs and
@@ -160,3 +164,6 @@ fn get_http_client() -> ClientWithMiddleware {
         .build()
 }
 ```
+
+[crates-badge]: https://img.shields.io/crates/v/ddtrace.svg
+[docs-badge]: https://docs.rs/ddtrace/badge.svg