Switch zsh plugin manager to zcomet to improve performances (add missing files and remove useless submodule)

.gitmodules

@@ -1,6 +1,3 @@
-[submodule ".zplug"]
-	path = .zplug
-	url = https://github.com/zplug/zplug.git
 [submodule "/home/manu/.tmux/plugins/tpm"]
 	path = .tmux/plugins/tpm
 	url = https://github.com/tmux-plugins/tpm

.zsh/init.zsh

@@ -0,0 +1,7 @@
+#
+# sourcing *.zsh files from config/ directory
+#
+
+for i in ${0:a:h}/config/*.zsh ; do
+    source "${i}"
+done