Added spotless for json files (#12076)

* Added spotless for json files

Signed-off-by: Owais Kazi <owaiskazi19@gmail.com>

* Excluded json files with new line tests

Signed-off-by: Owais Kazi <owaiskazi19@gmail.com>

---------

Signed-off-by: Owais Kazi <owaiskazi19@gmail.com>

Author: owaiskazi19

gradle/formatting.gradle

@@ -99,7 +99,9 @@ allprojects {
           }
         }
         format 'misc', {
-            target '*.md', '*.gradle', '**/*.yaml', '**/*.yml', '**/*.svg'   
+            target '*.md', '*.gradle', '**/*.json', '**/*.yaml', '**/*.yml', '**/*.svg'
+
+            targetExclude '**/simple-bulk11.json', '**/simple-msearch5.json'
 
             trimTrailingWhitespace()
             endWithNewline()

server/src/test/resources/org/opensearch/index/analysis/shingle_analysis.json

@@ -20,4 +20,4 @@
             }
         }
     }
-}
+}