moving client to src/bin/feos_cli (#63)

Author: MalteJ

Cargo.lock

@@ -3,7 +3,9 @@ name = "feos"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[[bin]]
+name = "feos-cli"
+path = "src/bin/feos_cli/main.rs"
 
 [lints.rust]
 unsafe_code = "deny"
@@ -52,14 +54,10 @@ libc = "0.2"
 
 pelite = "0.10"
 regex = "1.10"
+structopt = "0.3.26"
 
 [build-dependencies]
 tonic-build = "0.12.3"
 
 [dev-dependencies]
 serial_test = "3.2"
-
-[workspace]
-members = [
-    "client",
-]