smart contracts: add glossary definition for Singleton

aantonop · aantonop · commit 9ab268812175 · 2018-04-17T19:48:57.000-05:00
diff --git a/glossary.asciidoc b/glossary.asciidoc
@@ -281,6 +281,11 @@ Recursive Length Prefix (RLP)::
 Satoshi Nakamoto::
     Satoshi Nakamoto is the name used by the person or people who designed Bitcoin and created its original reference implementation, Bitcoin Core. As a part of the implementation, they also devised the first blockchain database. In the process they were the first to solve the double spending problem for digital currency. Their real identity remains unknown.
 
+Singleton::
+////
+TODO: Add definition
+////
+
 Vitalik Buterin::
     Vitalik Buterin is a Russian-Canadian programmer and writer primarily known as the co-founder of Ethereum and as the co-founder of Bitcoin Magazine.
 
