add spotless rules for yaml (#9)

Author: SrikarMannepalli

src/main/java/org/hypertrace/gradle/code/style/CodeStylePlugin.java

@@ -54,7 +54,7 @@ private void configureFormatting(SpotlessExtension spotlessExtension) {
     spotlessExtension.format(
         "misc",
         format -> {
-          format.target("*.md", "src/**/*.proto", ".gitignore");
+          format.target("*.md", "src/**/*.proto", ".gitignore", "*.yaml");
           format.indentWithSpaces(2);
           format.trimTrailingWhitespace();
           format.endWithNewline();