chore: Add CONTINUWUITY_ environment variables

Also updates some examples to match

src/main/clap.rs

@@ -74,17 +74,30 @@ pub(crate) struct Args {
 	/// with the exception of the last bucket, try increasing this value to e.g.
 	/// 50 or 100. Inversely, decrease to 10 etc if the histogram lacks
 	/// resolution.
-	#[arg(long, hide(true), env = "CONDUWUIT_RUNTIME_HISTOGRAM_INTERVAL", default_value = "25")]
+	#[arg(
+		long,
+		hide(true),
+		env = "CONTINUWUITY_RUNTIME_HISTOGRAM_INTERVAL",
+		env = "CONDUWUIT_RUNTIME_HISTOGRAM_INTERVAL",
+		default_value = "25"
+	)]
 	pub(crate) worker_histogram_interval: u64,
 
 	/// Set the histogram bucket count (tokio_unstable). Default is 20.
-	#[arg(long, hide(true), env = "CONDUWUIT_RUNTIME_HISTOGRAM_BUCKETS", default_value = "20")]
+	#[arg(
+		long,
+		hide(true),
+		env = "CONTINUWUITY_RUNTIME_HISTOGRAM_BUCKETS",
+		env = "CONDUWUIT_RUNTIME_HISTOGRAM_BUCKETS",
+		default_value = "20"
+	)]
 	pub(crate) worker_histogram_buckets: usize,
 
 	/// Toggles worker affinity feature.
 	#[arg(
 		long,
 		hide(true),
+		env = "CONTINUWUITY_RUNTIME_WORKER_AFFINITY",
 		env = "CONDUWUIT_RUNTIME_WORKER_AFFINITY",
 		action = ArgAction::Set,
 		num_args = 0..=1,
@@ -99,6 +112,7 @@ pub(crate) struct Args {
 	#[arg(
 		long,
 		hide(true),
+		env = "CONTINUWUITY_RUNTIME_GC_ON_PARK",
 		env = "CONDUWUIT_RUNTIME_GC_ON_PARK",
 		action = ArgAction::Set,
 		num_args = 0..=1,