chore: add news

Author: bobleesj

news/op-mul-sub-div.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* addition, multiplication, subtraction, and division operators between two DiffractionObject instances or a scalar value with another DiffractionObject for modifying yarray (intensity) values.
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>