feat: add initial ignore unsafe utf8

src/main.rs

@@ -0,0 +1,20 @@
+use std::io::{Read, Write};
+
+use anyhow::Context;
+
+fn main() -> anyhow::Result<()> {
+    let mut input = std::io::stdin().lock();
+    let mut output = std::io::stdout().lock();
+
+    let mut output_bytes = Vec::new();
+    input
+        .read_to_end(&mut output_bytes)
+        .context("could not read stdin")?;
+
+    let safe_utf8_content = String::from_utf8_lossy(&output_bytes);
+
+    output.write_all(safe_utf8_content.as_bytes())?;
+    output.flush()?;
+
+    Ok(())
+}