Changed all conf file to .zsh extension

zsh/zsh.d/Linux/50-linux.zsh

@@ -0,0 +1,10 @@
+# Linux
+if [ -f /etc/dir_colors ]; then
+    eval `dircolors /etc/dir_colors`
+else
+    eval `dircolors`
+fi
+
+alias ls='ls -F --color=auto'
+
+#  vim: set ts=4 sw=4 tw=0 ft=zsh :