Add CLI parser exercise

README.md

@@ -0,0 +1,4 @@
+# Pingcap - PNA Rust course
+
+Repo for solving the exercises of the pingcap talent_plan course:
+https://github.com/pingcap/talent-plan

bb-1/meow/.gitignore

@@ -0,0 +1,2 @@
+**/target
+**/.DS_Store

bb-1/meow/Cargo.toml

@@ -9,3 +9,4 @@ description = "This program is the good fla!"
 
 [dependencies]
 clap = { version = "4.0.18", features = ["derive"] }
+

bb-1/meow/src/main.rs

@@ -22,3 +22,4 @@ fn main() {
     let home = env::var_os("HOME");
     println!("Home env variable: {:?}", home);
 }
+