Added .gitmodules file, and .githooks/ directory as the git hooks directory.

.githooks/gitattributesdb

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+Subproject commit aa17af467452849b2204472c8c16d9d3757824af

.githooks/post-checkout

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+#!/usr/bin/env bash
+
+# Store/restore the attributes of files:
+.githooks/gitattributesdb/gitattributesdb "${0##*/}" || exit $?

.githooks/post-merge

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+#!/usr/bin/env bash
+
+# Store/restore the attributes of files:
+.githooks/gitattributesdb/gitattributesdb "${0##*/}" || exit $?

.githooks/pre-commit

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+#!/usr/bin/env bash
+
+# Store/restore the attributes of files:
+.githooks/gitattributesdb/gitattributesdb "${0##*/}" || exit $?