SLVSCODE-147 Add support for oraclesql language

Author: henryju

src/main/java/org/sonarsource/sonarlint/ls/DefaultClientInputFile.java

@@ -111,6 +111,8 @@ private static String toSqLanguage(@Nullable String clientLanguageId) {
         return "ts";
       case "html":
         return "web";
+      case "oraclesql":
+        return "plsql";
       default:
         return clientLanguageId;
     }