chore: add in some vscode files and mention it in readme

.vscode/extensions.json

@@ -0,0 +1,14 @@
+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+    // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+
+    // List of extensions which should be recommended for users of this workspace.
+    "recommendations": [
+        "vscjava.vscode-java-pack",
+        "vscjava.vscode-java-dependency",
+        "vscjava.vscode-java-test",
+        "vscjava.vscode-java-debug",
+        "redhat.java",
+        "naco-siren.gradle-language"
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,32 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "type": "shell",
+            "command": "./gradlew build",
+            "dependsOn": ["clean"],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+        {
+            "label": "clean",
+            "type": "shell",
+            "command": "./gradlew clean",
+            "group": "build"
+        },
+        {
+            "label": "test",
+            "type": "shell",
+            "command": "./gradlew test",
+            "group": {
+                "kind": "test",
+                "isDefault": true
+            }
+        }
+    ]
+}

README.md

@@ -48,6 +48,12 @@ Alternatively you can run:
 ./gradlew run --args="--debug --debug-level 3 --working-dir=test"
 ```
 
+## Using VSCode
+
+This project is setup to use [VSCode](https://code.visualstudio.com/) for development. You're free
+to use any other IDE that you're accustomed to (if any), but by using VSCode, you get the benefit
+of predefined tasks and launch commands.
+
 ## Plugging In Your Data
 
 To get started with the code and plug in your own data, you need to edit the