espradio: implement support for wifi/BLE on the ESP32-C3

This is a work in progress. It does not yet work.

examples/espradio/main.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"time"
+
+	"tinygo.org/x/drivers/espradio"
+)
+
+func main() {
+	time.Sleep(time.Second * 1)
+
+	println("initializing radio...")
+	err := espradio.Enable(espradio.Config{
+		Logging: espradio.LogLevelVerbose,
+	})
+	if err != nil {
+		println("could not enable radio:", err)
+	} else {
+		println("enabled radio successfully")
+	}
+}