Add wiring pi (for test and doc)

Cargo.lock

@@ -577,6 +577,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "uuid 0.8.2",
+ "wiringpi",
 ]
 
 [[package]]
@@ -780,6 +781,12 @@ dependencies = [
  "wasi 0.10.2+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "glob"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
+
 [[package]]
 name = "h2"
 version = "0.2.7"
@@ -1990,6 +1997,16 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "wiringpi"
+version = "0.2.4"
+source = "git+https://github.com/jvandervelden/rust-wiringpi.git#76aa122c2743c96b1bb2db05873000db0bb19544"
+dependencies = [
+ "cc",
+ "glob",
+ "libc",
+]
+
 [[package]]
 name = "ws2_32-sys"
 version = "0.2.1"