Improve documentation for Workspace and Workspaces classes

Author: ascopes

java-compiler-testing/src/main/java/io/github/ascopes/jct/junit/JavacCompilerTest.java

@@ -82,7 +82,7 @@
    *
    * <p>Each configurer must have a public no-args constructor, and their package must be
    * open to this module if JPMS modules are in-use, for example:
-   * <p>
+   *
    * <pre><code>
    * module mytests {
    *   requires io.github.ascopes.jct;

java-compiler-testing/src/main/java/io/github/ascopes/jct/workspaces/PathStrategy.java

@@ -28,6 +28,9 @@
 /**
  * Strategy to use for creating new test directories.
  *
+ * <p>This is used to define whether to use a totally isolated in-memory file system,
+ * or whether to use temporary directories on the default file system.
+ *
  * @author Ashley Scopes
  * @since 0.0.1
  */