Reformat Javadoc in .inject.spi.ConfigPropertyPlugin (#918)

Matched formatting for consistency.
Fixes a broken link (shows in red in IntelliJ IDEA).

Signed-off-by: Mahied Maruf <contact@mechite.com>

Author: mechite

inject/src/main/java/io/avaje/inject/spi/ConfigPropertyPlugin.java

@@ -8,20 +8,16 @@
  * Plugin interface which contains the application properties used for wiring. Used with
  * {@link io.avaje.inject.RequiresProperty} and {@link io.avaje.inject.Profile}.
  *
- * <p>The plugin is loaded via ServiceLoader and defaults to an implementation that uses {@link
- * System#getProperty(String)} and {@link System#getenv(String)}.
+ * <p>The plugin is loaded via ServiceLoader and defaults to an implementation that uses
+ * {@link System#getProperty(String)} and {@link System#getenv(String)}.
  */
 @NullMarked
 public interface ConfigPropertyPlugin extends InjectExtension {
 
-  /**
-   * Return a configuration value that might not exist.
-   */
+  /** Return a configuration value that might not exist. */
   Optional<String> get(String property);
 
-  /**
-   * Return true if the property is defined.
-   */
+  /** Return true if the property is defined. */
   boolean contains(String property);
 
   /** Return true if the property is not defined. */