load block from json

Cargo.lock

@@ -166,6 +166,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.98"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"
+
 [[package]]
 name = "approx"
 version = "0.5.1"
@@ -466,6 +472,19 @@ dependencies = [
  "wgpu-types",
 ]
 
+[[package]]
+name = "bevy_common_assets"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3521990269672c442f2bf0fbed0fce9db719e3dd136dd4012a97809464a4389d"
+dependencies = [
+ "anyhow",
+ "bevy",
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
 [[package]]
 name = "bevy_core"
 version = "0.15.3"
@@ -2635,7 +2654,9 @@ name = "logisim"
 version = "0.1.0"
 dependencies = [
  "bevy",
+ "bevy_common_assets",
  "iyes_perf_ui",
+ "serde",
 ]
 
 [[package]]