main: move Jekyll stuff to plugins/jekyll

If the user doesn't load the Jekyll plugin, then don't load any Jeykll stuff.

bash_it.sh

@@ -137,13 +137,6 @@ elif [ -s /Applications/Preview.app ]; then
 	PREVIEW="/Applications/Preview.app"
 fi
 
-# Load all the Jekyll stuff
-
-if [ -e "$HOME/.jekyllconfig" ]; then
-	# shellcheck disable=SC1090
-	. "$HOME/.jekyllconfig"
-fi
-
 # BASH_IT_RELOAD_LEGACY is set.
 if ! _command_exists reload && [[ -n "${BASH_IT_RELOAD_LEGACY:-}" ]]; then
 	case $OSTYPE in

plugins/available/jekyll.plugin.bash

@@ -315,3 +315,8 @@ function deploysite() {
 	builtin cd "${SITE}" || return
 	rsync -rz "${REMOTE?}"
 }
+
+# Load the Jekyll config
+if [[ -s "$HOME/.jekyllconfig" ]]; then
+	source "$HOME/.jekyllconfig"
+fi