Convert to workspace

example-crates/electrum-wallet/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "electrum-wallet-example"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+bdk = { path = "../../crates/bdk" }

example-crates/electrum-wallet/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}