add example for bevy-egui #67

Author: Tarkin25

Cargo.toml

@@ -2,4 +2,6 @@
 members = [
     "egui_node_graph",
     "egui_node_graph_example",
+    "bevy_egui_node_graph_example",
 ]
+resolver = "2"

bevy_egui_node_graph_example/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "bevy_egui_node_graph_example"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.68"
+bevy = "0.9.1"
+bevy_egui = "0.17"
+egui_node_graph = { version = "0.4.0", path = "../egui_node_graph" }