Fix CI failures: correct class name in main method and update documentation

- Fix FalkorDBTwitterIntegrationTests.java line 287: use correct class name
- Update README with accurate Twitter integration test documentation
- Add comprehensive CI workflows with FalkorDB integration
- Add contributing guidelines and issue templates

Author: shahar-biron

src/test/java/org/springframework/data/falkordb/integration/FalkorDBTwitterIntegrationTests.java

@@ -284,7 +284,7 @@ private void clearGraph() {
 	 */
 	public static void main(String[] args) {
 
-		FalkorDBTwitterIntegrationTest test = new FalkorDBTwitterIntegrationTest();
+		FalkorDBTwitterIntegrationTests test = new FalkorDBTwitterIntegrationTests();
 
 		try {
 			test.setUp();