Create devcontainer.json

Author: niemyjski

.devcontainer/devcontainer.json

@@ -0,0 +1,11 @@
+{
+  
+  "name": "Exceptionless.Net"
+  "image": "mcr.microsoft.com/vscode/devcontainers/dotnetcore:latest",
+  "extensions": [
+    "ms-dotnettools.csharp",
+    "streetsidesoftware.code-spell-checker",
+    "tintoy.msbuild-project-tools",
+    "humao.rest-client",
+  ]
+}