fix: remove comma in description

gleam.toml

@@ -1,7 +1,7 @@
 name = "spasteg"
 version = "1.0.0"
 
-description = "A secure, self-hostable burn-after-reading paste service written in Gleam"
+description = "A secure self-hostable burn-after-reading paste service written in Gleam"
 licences = ["GPL-3.0"]
 repository = { type = "gitea", user = "Kharec", repo = "spasteg", host = "https://git.kharec.info" }