Add config for vs-code (#17)

Author: usbalbin

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+  "rust-analyzer.check.allTargets": false,
+  "rust-analyzer.check.extraArgs": [
+    "--examples",
+    "--bins",
+  ],
+  "rust-analyzer.cargo.target": "thumbv7em-none-eabihf",
+  "rust-analyzer.cargo.features": [
+    "stm32g474",
+  ]
+}