Add "Find usages in the wild" search link

Author: oprypin

README.md

@@ -24,9 +24,9 @@ steps:
   - run: crystal spec
 ```
 
-Also see [.github/workflows/release.yml](.github/workflows/release.yml) as an example.
+[Find usages in the wild!](https://github.com/search?l=YAML&q=%22oprypin%2Finstall-crystal%22&type=Code)
 
-Alternatively you can use the container-based approach [as in the starter workflow][crystal-starter] (without this action), but the advantage here is the unified approach to installation across 3 systems.
+Alternatively, you can use the container-based approach [as in the starter workflow][crystal-starter] (without this action), but the advantage here is the unified approach to installation across 3 systems.
 
 ## Usage