update abt build and README.md

Signed-off-by: YANGDB <[email protected]>

README.md

@@ -19,14 +19,22 @@ Version compatibility:
 |---------------|-------------|---------------|---------------|------------|
 | 0.1.0         | 11+         | 3.3.1         | 2.12.14       | 2.6+       |
 
-## Usage
+## Flint Extension Usage 
 
 To use this application, you can run Spark with Flint extension:
 
 ```
 spark-sql --conf "spark.sql.extensions=org.opensearch.flint.FlintSparkExtensions"
 ```
 
+## PPL Extension Usage
+
+To use PPL to Spark translation, you can run Spark with PPL extension:
+
+```
+spark-sql --conf "spark.sql.extensions=org.opensearch.flint.FlintPPLSparkExtensions"
+```
+
 ## Build
 
 To build and run this application with Spark, you can run:
@@ -39,6 +47,18 @@ then add org.opensearch:opensearch-spark_2.12 when run spark application, for ex
 bin/spark-shell --packages "org.opensearch:opensearch-spark_2.12:0.1.0-SNAPSHOT"
 ```
 
+### PPL Build & Run 
+
+To build and run this PPL in Spark, you can run:
+
+```
+sbt clean sparkPPLCosmetic/publishM2
+```
+then add org.opensearch:opensearch-spark_2.12 when run spark application, for example,
+```
+bin/spark-shell --packages "org.opensearch:opensearch-spark-ppl_2.12:0.1.0-SNAPSHOT"
+```
+
 ## Code of Conduct
 
 This project has adopted an [Open Source Code of Conduct](./CODE_OF_CONDUCT.md).

build.sbt

@@ -178,6 +178,14 @@ lazy val sparkSqlApplicationCosmetic = project
     exportJars := true,
     Compile / packageBin := (sparkSqlApplication / assembly).value)
 
+lazy val sparkPPLCosmetic = project
+  .settings(
+    name := "opensearch-spark-ppl",
+    commonSettings,
+    releaseSettings,
+    exportJars := true,
+    Compile / packageBin := (pplSparkIntegration / assembly).value)
+
 lazy val releaseSettings = Seq(
   publishMavenStyle := true,
   publishArtifact := true,