Fix nyxt by adding ospm

quicklisp · quicklisp · commit 3a4e7528e9fa · 2022-09-25T12:03:11.000-04:00
diff --git a/projects/ospm/source.txt b/projects/ospm/source.txt
@@ -0,0 +1 @@
+git https://github.com/atlas-engineer/ospm.git

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+git https://github.com/atlas-engineer/ospm.git`