add spring boot extension

Author: darkmtrance

.devcontainer/java/devcontainer.json

@@ -6,12 +6,7 @@
 	"image": "mcr.microsoft.com/devcontainers/java:1-21",
 
 	"features": {
-		"ghcr.io/devcontainers/features/java:1": {
-			"version": "none",
-			"installMaven": "true",
-			"mavenVersion": "3.8.6",
-			"installGradle": "false"
-		}
+		"ghcr.io/devcontainers/features/java:1": {}
 	},
 
 	// Configure tool-specific properties.
@@ -22,8 +17,9 @@
 			"extensions": [
 				"streetsidesoftware.code-spell-checker",
 				"gabrielbb.vscode-lombok",
-        		"vscjava.vscode-java-pack",
-				"pivotal.vscode-boot-dev-pack"
+				"vscjava.vscode-java-pack",
+				"pivotal.vscode-boot-dev-pack",
+				"vmware.vscode-boot-dev-pack"
 			]
 		}
 	}