Added examples.

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 members = [
-    "master"
+    "master",
+    "examples/playground"
 ]
 
 [workspace.package]
@@ -15,7 +16,7 @@ thiserror = "1.0.*"
 uom = "0.33.*"
 # Logging
 log = "0.4.*"
-env_logger = "0.9.*"
+env_logger = "0.10.*"
 # Async
 futures-lite = "1.12.*"
-async-io = "1.9.*"
+async-io = "1.12.*"

examples/playground/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "playground"
+description = """The playground example is a special example meant for unstructured experimentation which can potentially be turned
+into an actual example at some point or deleted. It should always be reset to unchanged hello world before the working
+branch where the experimentation is happening is merged."""
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+readme.workspace = true
+license.workspace = true
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+thiserror.workspace = true
+uom.workspace = true
+log.workspace = true
+env_logger.workspace = true
+futures-lite.workspace = true
+async-io.workspace = true

examples/playground/src/main.rs

@@ -0,0 +1,7 @@
+//! The playground example is a special example meant for unstructured experimentation which can potentially be turned
+//! into an actual example at some point or deleted. It should always be reset to unchanged hello world before the working
+//! branch where the experimentation is happening is merged.
+
+fn main() {
+    println!("Hello, world!");
+}