chore: add missing license

license/third_party/unicode_LICENSE.txt

@@ -0,0 +1,61 @@
+Portions, Copyright © 1991-2005 Unicode, Inc. The following applies to Unicode.
+
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright © 1991-2005 Unicode, Inc. All rights reserved. Distributed under
+the Terms of Use in http://www.unicode.org/copyright.html. Permission is
+hereby granted, free of charge, to any person obtaining a copy of the
+Unicode data files and any associated documentation (the "Data Files")
+or Unicode software and any associated documentation (the "Software")
+to deal in the Data Files or Software without restriction, including without
+limitation the rights to use, copy, modify, merge, publish, distribute,
+and/or sell copies of the Data Files or Software, and to permit persons
+to whom the Data Files or Software are furnished to do so, provided that
+(a) the above copyright notice(s) and this permission notice appear with
+all copies of the Data Files or Software, (b) both the above copyright
+notice(s) and this permission notice appear in associated documentation,
+and (c) there is clear notice in each modified Data File or in the Software
+as well as in the documentation associated with the Data File(s) or Software
+that the data or software has been modified.
+
+THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THE DATA FILES OR SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall
+not be used in advertising or otherwise to promote the sale, use or other
+dealings in these Data Files or Software without prior written
+authorization of the copyright holder.
+
+2. Additional terms from the Database:
+
+Copyright © 1995-1999 Unicode, Inc. All Rights reserved.
+
+Disclaimer
+
+The Unicode Character Database is provided as is by Unicode, Inc.
+No claims are made as to fitness for any particular purpose. No warranties
+of any kind are expressed or implied. The recipient agrees to determine
+applicability of information provided. If this file has been purchased
+on magnetic or optical media from Unicode, Inc., the sole remedy for any claim
+will be exchange of defective media within 90 days of receipt. This disclaimer
+is applicable for all other data files accompanying the Unicode Character Database,
+some of which have been compiled by the Unicode Consortium, and some of which
+have been supplied by other sources.
+
+Limitations on Rights to Redistribute This Data
+
+Recipient is granted the right to make copies in any form for internal
+distribution and to freely use the information supplied in the creation of
+products supporting the UnicodeTM Standard. The files in
+the Unicode Character Database can be redistributed to third parties or other
+organizations (whether for profit or not) as long as this notice and the disclaimer
+notice are retained. Information can be extracted from these files and used
+in documentation or programs, as long as there is an accompanying notice
+indicating the source.