Add build and test tasks for vscode

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+    {
+        "name": ".NET Core Attach",
+        "type": "coreclr",
+        "request": "attach",
+        "processId": "${command:pickProcess}"
+    }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,20 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet build",
+            "type": "shell",
+            "group": "build",
+            "problemMatcher": "$msCompile"
+        },
+        {
+            "label": "test",
+            "command": "dotnet test \"src\\LazyStorage.Tests\\LazyStorage.Tests.csproj\"",
+            "type": "shell",
+            "group": "test"
+        }
+    ]
+}