Support netcoredbg ARM debugger for linux

Author: muhammadsammy

package.json

@@ -264,6 +264,22 @@
       ],
       "installTestPath": ".debugger/netcoredbg/netcoredbg"
     },
+    {
+      "id": "Debugger",
+      "description": ".NET Core Debugger (linux / ARM64)",
+      "url": "https://github.com/Samsung/netcoredbg/releases/download/2.0.0-880/netcoredbg-linux-arm64.tar.gz",
+      "installPath": ".debugger",
+      "platforms": [
+        "linux"
+      ],
+      "architectures": [
+        "arm64"
+      ],
+      "binaries": [
+        "./netcoredbg"
+      ],
+      "installTestPath": ".debugger/netcoredbg/netcoredbg"
+    },
     {
       "id": "Razor",
       "description": "Razor Language Server (Windows / x64)",