docs: create Sample Code classes to create push and Catalog Source in Coveo and instance Java classes in different ways

samples/CreateCoveoSource.java

@@ -0,0 +1,27 @@
+import com.coveo.pushapiclient.CatalogSource;
+import com.coveo.pushapiclient.PlatformClient;
+import com.coveo.pushapiclient.PushSource;
+import com.coveo.pushapiclient.SourceVisibility;
+
+import java.io.IOException;
+import java.net.http.HttpResponse;
+
+
+
+public class CreateCoveoSource {
+    public static void main(String[] args) {
+        PlatformClient platformClient = new PlatformClient("my_api_key", "my_org_id");
+        try {
+            HttpResponse<String> pushResponse = PushSource.create(platformClient, "the_name_of_my_source", SourceVisibility.SHARED);
+            System.out.println(String.format("Push Source creation status: %s", pushResponse.statusCode()));
+            System.out.println(String.format("Push Source creation response: %s", pushResponse.body()));
+
+            HttpResponse<String> response = CatalogSource.create(platformClient, "the_name_of_my_source", SourceVisibility.SHARED);
+            System.out.println(String.format("Catalog Source creation status: %s", response.statusCode()));
+            System.out.println(String.format("Catalog Source creation response: %s", response.body()));
+
+        } catch (IOException | InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}

samples/CreateSource.java

@@ -7,6 +7,7 @@
 import java.io.IOException;
 import java.net.http.HttpResponse;
 
+// TODO: LENS-844 - Deprecate class
 public class CreateSource {
     public static void main(String[] args) {
         PlatformUrl platformUrl = new PlatformUrlBuilder()

samples/InstantiateSource.java

@@ -0,0 +1,20 @@
+import com.coveo.pushapiclient.*;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class InstantiateSource {
+    public static void main(String[] args) throws MalformedURLException {
+            //create source from url
+            URL url = new URL("https://api-eu.cloud.coveo.com/push/v1/organizations/my-org-id/sources/my-source-id/documents");
+            PushSource pushSource1 = new PushSource("my_api_key", url);
+            CatalogSource catalogSource1 = new CatalogSource("my_api_key", url);
+
+
+            //create source from platform config
+            PlatformUrl platformUrl = new PlatformUrlBuilder().withEnvironment(Environment.PRODUCTION).withRegion(Region.EU).build();
+            PushSource pushSource2 = PushSource.fromPlatformUrl("my_api_key","my_organization_id","my_source_id", platformUrl);
+            CatalogSource catalogSource2 = CatalogSource.fromPlatformUrl("my_api_key","my_organization_id","my_source_id", platformUrl);
+
+    }
+}