Make sure our README example(s) always compile

.gitignore

@@ -2,3 +2,4 @@ target
 Cargo.lock
 .env
 mastodon-data.toml
+libtest.rmeta

Cargo.toml

@@ -28,5 +28,11 @@ features = ["serde"]
 default-features = []
 all = ["toml"]
 
+[build-dependencies]
+skeptic = "0.13.3"
+
+[dev-dependencies]
+skeptic = "0.13.3"
+
 [package.metadata.docs.rs]
 features = ["all"]

build.rs

@@ -0,0 +1,5 @@
+extern crate skeptic;
+
+fn main() {
+    skeptic::generate_doc_tests(&["README.md"]);
+}

tests/skeptic.rs

@@ -0,0 +1 @@
+include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));