BAEL-19967: Migrate spring-shell module to the com.baeldung package

spring-shell/src/main/java/com/baeldung/shell/Main.java

@@ -0,0 +1,10 @@
+package com.baeldung.shell;
+
+import java.io.IOException;
+import org.springframework.shell.Bootstrap;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        Bootstrap.main(args);
+    }
+}