adds taskrunner definitions

.vscode/tasks.json

@@ -0,0 +1,42 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    // Start PowerShell
+    "windows": {
+        "command": "${env:windir}/System32/WindowsPowerShell/v1.0/powershell.exe",
+        "args": [
+            "-NoProfile",
+            "-ExecutionPolicy",
+            "Bypass"
+        ]
+    },
+    "linux": {
+        "command": "/usr/bin/powershell",
+        "args": [
+            "-NoProfile"
+        ]
+    },
+    "osx": {
+        "command": "/usr/local/bin/powershell",
+        "args": [
+            "-NoProfile"
+        ]
+    },
+    "tasks": [
+        {
+            "taskName": "Test",
+            "suppressTaskName": true,
+            "isTestCommand": true,
+            "args": [
+                "Write-Host 'Invoking Pester...'; $ProgressPreference = 'SilentlyContinue'; Invoke-Pester -Script '.\\tests\\*' -EnableExit $flase -PesterOption @{IncludeVSCodeMarker=$true};",
+                "Invoke-Command { Write-Host 'Completed Test task in task runner.' }"
+            ],
+            "problemMatcher": "$pester",
+            "group": {
+                "kind": "test",
+                "isDefault": true
+            }
+        }
+    ]
+}