Add badge for gem version in README (#9)

A tiny change to add a badge in the README that shows the currently
published version of the riverqueue gem.

And a few tiny tag along changes to fix a releases link and add
backticks around some code in the changelog.

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Implement #insert_many for batch job insertion. [PR #5](https://github.com/riverqueue/riverqueue-ruby/pull/5).
+- Implement `#insert_many` for batch job insertion. [PR #5](https://github.com/riverqueue/riverqueue-ruby/pull/5).
 
 ## [0.1.0] - 2024-04-25
 

docs/README.md

@@ -1,4 +1,4 @@
-# River client for Ruby [![Build Status](https://github.com/riverqueue/riverqueue-ruby/workflows/CI/badge.svg)](https://github.com/riverqueue/riverqueue-ruby/actions)
+# River client for Ruby [![Build Status](https://github.com/riverqueue/riverqueue-ruby/workflows/CI/badge.svg)](https://github.com/riverqueue/riverqueue-ruby/actions) [![Gem Version](https://badge.fury.io/rb/riverqueue.svg)](https://badge.fury.io/rb/riverqueue)
 
 An insert-only Ruby client for [River](https://github.com/riverqueue/river) packaged in the [`riverqueue` gem](https://rubygems.org/gems/riverqueue). Allows jobs to be inserted in Ruby and run by a Go worker, but doesn't support working jobs in Ruby.
 

docs/development.md

@@ -72,4 +72,4 @@ $ open coverage/index.html
     git push --tags
     ```
 
-4. Cut a new GitHub release by visiting [new release](https://github.com/riverqueue/river/releases/new), selecting the new tag, and copying in the version's `CHANGELOG.md` content as the release body.
+4. Cut a new GitHub release by visiting [new release](https://github.com/riverqueue/riverqueue-ruby/releases/new), selecting the new tag, and copying in the version's `CHANGELOG.md` content as the release body.