better naming for embedded examples

embedded-examples/stm32f3-disco-rtic/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": "cargo build",
+            "type": "shell",
+            "command": "~/.cargo/bin/cargo", // note: full path to the cargo
+            "args": [
+                "build"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+
+    ]
+}