Revert "del submodules"

This reverts commit faf2fa3fcc433128ade0d0137b3a107680d80bfd.
Revert "del old file"

This reverts commit 166c5c0ad63dbb2f1c786caadbd39f9a55304a59.
Revert "Update Chart.js"

This reverts commit e4f3676978ed3762e5d10aed1c5c693275406ec5.
Revert "gitmodules test"

This reverts commit 289068c281db5ebb4e5d74cf8fc5b332b63032c6.
Revert "submodule init"

This reverts commit bf8290e19c13e847f9087269cfdb4e8006a516eb.