docs: include installation instruction for moving a release download into path (#9)

Author: zimeg

CHANGELOG.md

@@ -11,6 +11,7 @@ to [Semantic Versioning][semver].
 
 - Print usage details to standard output if a help flag is used in command.
 - Document more detailed usage with manual pages for even better reference.
+- Include installation instruction for moving a release download into path.
 
 ### Maintenance
 

README.md

@@ -18,14 +18,19 @@ Options are available for customization:
 
 ## Installation
 
-Add a build to `$PATH` for automatic detection.
+Add a [build][releases] to `$PATH` for automatic detection:
+
+```sh
+$ mv ./path/to/git-coverage /usr/local/bin/
+```
 
 Read manual pages:
 
 ```sh
-$ cp ./man/git-coverage.1 /usr/local/share/man/man1/
+$ mv ./man/git-coverage.1 /usr/local/share/man/man1/
 $ mandb
 $ man git-coverage
 ```
 
 [codecov]: https://about.codecov.io
+[releases]: https://github.com/zimeg/git-coverage/releases/latest