Add a way to test with dlv directly. Currrently not ready for the big time

support/test/go/hello_world/.vimspector.json

@@ -1,4 +1,18 @@
 {
+  "adapters": {
+    "dlv-dap": {
+      "variables": {
+        "port": "${unusedLocalPort}"
+      },
+      "command": [
+        "$HOME/go/bin/dlv",
+        "dap",
+        "--listen",
+        "127.0.0.1:${port}"
+      ],
+      "port": "${port}"
+    }
+  },
   "configurations": {
     "run": {
       "adapter": "vscode-go",
@@ -12,6 +26,21 @@
         "env": { "GO111MODULE": "off" }
       }
     },
+    "run-dap": {
+      "adapter": "dlv-dap",
+      "configuration": {
+        "request": "launch",
+        "env": { "GO111MODULE": "off" },
+
+        "mode": "debug", // debug|test
+        "program": "${workspaceRoot}/hello-world.go"
+
+        // "args": [],
+        // "buildFlags": ...
+        // "stackTraceDepth": ...,
+        // "showGlobalVariables": true,
+      }
+    },
     "run-exec": {
       // NOTE: To use this you _must_ disable optimistaion:
       // go build -o hello_world -gcflags="all=-N -l"