docs: public static String determinePluginVersion() {
          if (pluginVersion == null) {
              final String fileName = "META-INF/gradle-plugins/thorntail.properties";
              ClassLoader loader = Thread.currentThread().getContextClassLoader();
              String version;
              try (InputStream stream = loader.getResourceAsStream(fileName)) {
                  Properties props = new Properties();
                  props.load(stream);
                  version = props.getProperty("implementation-version");
              } catch (IOException e) {
                  throw new IllegalStateException("Unable to locate file: " + fileName, e);
              }
              pluginVersion = version;
          }
          return pluginVersion;
      }