Add ability to build nix derivations

Signed-off-by: Marcel Müller <neikos@neikos.email>

Cargo.lock

@@ -61,6 +61,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -432,6 +438,20 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "nixie-cli"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "clap",
+ "nixie-build",
+ "tokio",
+]
+
+[[package]]
+name = "nixie-server"
+version = "0.1.0"
+
 [[package]]
 name = "once_cell_polyfill"
 version = "1.70.2"