Add null-package per #1759

quicklisp · quicklisp · commit 0593e80faa1f · 2020-05-30T14:33:16.000-04:00
diff --git a/projects/null-package/source.txt b/projects/null-package/source.txt
@@ -0,0 +1 @@
+git https://github.com/hyotang666/null-package.git

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