Re-organize repo

—with structure in issue #55
—instances as in issue #52

AUTHORS.txt

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+# This is the official list of authors for copyright purposes.
+# This file is distinct from the CONTRIBUTORS file.
+# See the latter for an explanation.
+#
+# Names should be added to this file as:
+# Name or Organization <email address>
+# The email address is not required for organizations.
+
+Google LLC

CONTRIBUTORS.txt

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+# This is the official list of people who can contribute
+# (and typically have contributed) code to this repository.
+# The AUTHORS file lists the copyright holders; this file
+# lists people.  For example, company employees are listed here
+# but not in AUTHORS, because their company holds the copyright.
+#
+# Names should be added to this file like so:
+#     Name <email address>
+
+

DESCRIPTION.en_us.html

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+<p>
+This is a variable version of Roboto intended to be a 1:1 match with the official non-variable release from Google.
+</p>
+<p>
+This is not an official Google project, but was enabled with generous funding by Google Fonts, who contracted Type Network.
+The Roboto family of instances contained 6 weights and two widths of normal, along with italic of the regular width.
+The project began by taking UFO instances generated during the build process of the Roboto v2.136 release, which have quadratic outlines. 
+The Thin, Regular and Bold UFOs required some fixes for interpolation compatibility, and a build script was written that preserves outline overlaps.
+</p>