Add default tasks

.vscode/tasks.json

+{
+    // 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": "bazel build ...",
+            "group": {
+              "kind": "build",
+              "isDefault": true
+            }
+        },
+        {
+            "label": "Test",
+            "type": "shell",
+            "command": "bazel test ...",
+            "group": {
+              "kind": "test",
+            }
+        },
+        {
+          "label": "Package",
+          "type": "shell",
+          "command": "bazel build :main-deb",
+      },
+    ]
+}
\ No newline at end of file