README and isomounts additions on creation

Signed-off-by: Aaron Griffin <aaronmgriffin@gmail.com>

archiso/mkarchiso

@@ -105,6 +105,9 @@ command_create () {
 
 # syntax: <img> <arch> <mount point> <type>
 
+# NOTE: Order matters. If the same file exists in multiple
+#  images, the FIRST one mounted, top-down, will take precedence
+
 root-image.sqfs i686 / squashfs
 #root-image-x86_64.sqfs x86_64 / squashfs" > "${work_dir}/isomounts"
 
@@ -117,7 +120,8 @@ This should be reflected in the isomounts file
 The iso dir is later used to build the actual bootable iso.
 Please ensure the proper bootloader is installed or copied
 to the iso/ directory.
-...TODO..." > "${work_dir}/README"
+
+...TODO: Write more..." > "${work_dir}/README"
 
     if [ "${PKGLIST}" != "" ]; then
         echo "====> Installing packages to '${work_dir}/root-image/'"