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-keybindings.el

@@ -1,12 +1,13 @@
 ;; -*- coding: utf-8; lexical-binding: t; -*-
 
 (require 'init-package)
-(add-pkg-in-pkg-dir "expand-region")
-(add-pkg-in-pkg-dir "rg")
-(add-pkg-in-pkg-dir "Emacs-wgrep")
-(add-pkg-in-pkg-dir "avy")
-(add-pkg-in-pkg-dir "mwim")
-(add-pkg-in-pkg-dir "symbol-overlay")
+
+(creature/pkg-active 'expand-region)
+(creature/pkg-active 'rg)
+(creature/pkg-active 'avy)
+(creature/pkg-active 'mwim)
+(creature/pkg-active 'symbol-overlay)
+(creature/pkg-active 'lazy-load)
 
 
 (defconst creature/prefix-key "M-m"
@@ -19,8 +20,6 @@
 (global-set-key (kbd "C-c '") (kbd "`"))
 
 
-(require 'lazy-load)
-
 ;;; expand-region
 (lazy-load-local-keys
  '(("v" . er/expand-region))