Add NOTICES file

gastonar · Rongrong Zhong · commit 30fe4f9ce15e · 2019-07-19T17:06:39.000-07:00
diff --git a/NOTICES b/NOTICES
@@ -0,0 +1,3 @@
+The code for the t-digest was originally authored by Ted Dunning
+
+Adrien Grand contributed the heart of the AVLTreeDigest (https://github.com/jpountz)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+The code for the t-digest was originally authored by Ted Dunning`
	`2`	`+`
	`3`	`+Adrien Grand contributed the heart of the AVLTreeDigest (https://github.com/jpountz)`