Update README formatting

Author: DavidGregory084

README.md

@@ -4,7 +4,6 @@
 
 This logic was originally developed in the [sbt-tpolecat](https://github.com/typelevel/sbt-tpolecat) sbt plugin, and this library is intended to enable the reuse of that logic in other build tool plugins, for example [sbt-typelevel](https://github.com/typelevel/sbt-typelevel) and [mill-tpolecat](https://github.com/DavidGregory084/mill-tpolecat).
 
-
 ## Usage
 
 This library is published for Scala 2.12.x, 2.13.x and 3.1.x:
@@ -24,25 +23,25 @@ This library offers functions for filtering proposed Scala compiler options acco
 
 ```scala
 scalacOptions := ScalacOptions.tokensForVersion(
-    ScalaVersion.V3_1_0, // the Scala compiler major, minor, patch version
-    ScalacOptions.default // a curated default option set
+  ScalaVersion.V3_1_0, // the Scala compiler major, minor, patch version
+  ScalacOptions.default // a curated default option set
 ) // returns a Seq[String] of Scala compiler options
 
 ScalacOptions.optionsForVersion(
-    ScalaVersion.V3_1_0,
-    ScalacOptions.default
+  ScalaVersion.V3_1_0,
+  ScalacOptions.default
 ) // returns a Set[ScalacOption]
 ```
 
 A shorthand for using the default option set is also provided:
 
 ```scala
 scalacOptions := ScalacOptions.defaultTokensForVersion(
-    ScalaVersion.V3_1_0
+  ScalaVersion.V3_1_0
 ) // returns a Seq[String] of Scala compiler options based on the default option set
 
 ScalacOptions.defaultOptionsForVersion(
-    ScalaVersion.V3_1_0
+  ScalaVersion.V3_1_0
 ) // returns a Set[ScalacOption] based on the default option set
 ```
 
@@ -52,4 +51,4 @@ Participants are expected to follow the [Scala Code of Conduct](https://www.scal
 
 ### License
 
-All code in this repository is licensed under the Apache License, Version 2.0.  See [LICENSE](./LICENSE).
+All code in this repository is licensed under the Apache License, Version 2.0. See [LICENSE](./LICENSE).