feat(api): api generation works once again

With the new structure, it should be easy to add CLI programs with
proper dependencies accordingly.

etc/api/type-cli.yaml

@@ -0,0 +1,11 @@
+make:
+  target_suffix: -cli
+  depends_on: api
+  templates:
+    - source: ../LICENSE.md
+    - source: ../Cargo.toml
+    - source: main.rs
+      output_dir: src
+cargo:
+  build_version: "0.0.1"
+  keywords: [cli]