Add emoji-ordering.txt

NOTICE

@@ -107,7 +107,7 @@ The SIL Open Font License Version 1.1 applies to:
   with Reserved Font Name Asana Math.
   Copyright (c) 2000 Young Ryu,
   with Reserved Font Name pxfonts.
-  Copyright (c) 1997, 1999 Claudio Beccari, 
+  Copyright (c) 1997, 1999 Claudio Beccari,
   with Reserved Font Name gsmn1000.
 
 * Pennstander fonts in files/fonts/Pennstander*.otf
@@ -983,18 +983,18 @@ The GUST Font License applies to:
 % This work may be distributed and/or modified under the conditions
 % of the LaTeX Project Public License, either version 1.3c of this
 % license or (at your option) any later version.
-% 
+%
 % Please also observe the following clause:
 % 1) it is requested, but not legally required, that derived works be
 %    distributed only after changing the names of the fonts comprising this
 %    work and given in an accompanying "manifest", and that the
 %    files comprising the Work, as listed in the manifest, also be given
 %    new names. Any exceptions to this request are also given in the
 %    manifest.
-%    
+%
 %    We recommend the manifest be given in a separate file named
 %    MANIFEST-<fontid>.txt, where <fontid> is some unique identification
-%    of the font family. If a separate "readme" file accompanies the Work, 
+%    of the font family. If a separate "readme" file accompanies the Work,
 %    we recommend a name of the form README-<fontid>.txt.
 %
 % The latest version of the LaTeX Project Public License is in
@@ -1622,3 +1622,51 @@ Important Recommendations
 
 
 ================================================================================
+
+================================================================================
+The Unicode License v3 applies to:
+
+* The `files/text/emoji-ordering.txt` which was downloaded from
+  <https://unicode.org/emoji/charts/emoji-ordering.txt>.
+
+UNICODE LICENSE V3
+
+COPYRIGHT AND PERMISSION NOTICE
+
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+
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+
+================================================================================