Add prompt-for per #1759

quicklisp · quicklisp · commit 2ce04a7d2a23 · 2020-05-30T14:33:15.000-04:00
diff --git a/projects/prompt-for/source.txt b/projects/prompt-for/source.txt
@@ -0,0 +1 @@
+git https://github.com/hyotang666/prompt-for.git

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+git https://github.com/hyotang666/prompt-for.git`