Add monitoring crate

Cargo.toml

@@ -1,4 +1,4 @@
-workspace = { members = ["paws_config", "paws_install"] }
+workspace = { members = ["paws_config", "paws_install", "paws_monitoring"] }
 [package]
 name = "kittypaws"
 version = "0.1.0"

paws_monitoring/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "paws_monitoring"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

paws_monitoring/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}