Add Smalltalk report

Author: jacob-hughes

softdev.bib

@@ -3023,3 +3023,11 @@ @misc{spidermonkey18rooting
     month = Sep,
     note = "Accessed: 2023-03-03"
 }
+
+@book{krasner83smallktalk,
+    title= {{Smalltalk-80}: Bits of history, words of advice},
+    author = "Glenn Krasner",
+    publisher = "Addison-Wesley",
+    year= "1983",
+    month = Dec,
+}