use "creature/pkg-active" manage packages manually

- replace "add-pkg-in-pkg-dir" (recursive load-path scanning) with a
  central "creature/pkgs" registry that handles load path, autoloads,
  info dirs and dependencies
- adapt all init-*.el files to the new activation function
- add a top-level Makefile to byte-compile site-lisp packages
- remove unused "emacs-kv" and "emacs-db" submodules

lisp/init-org.el

@@ -1,12 +1,9 @@
 ;; -*- coding: utf-8; lexical-binding: t; -*-
 
 (require 'init-package)
-(add-pkg-in-pkg-dir "org-pomodoro")
-(add-pkg-in-pkg-dir "alert")
-(add-pkg-in-pkg-dir "gntp")
-(add-pkg-in-pkg-dir "ox-hugo")
-(add-pkg-in-pkg-dir "tomelr")
 
+(creature/pkg-active 'org-pomodoro)
+(creature/pkg-active 'ox-hugo)
 
 ;; customize mode for src lang
 (defconst creature/org-src-lang-modes