maintainers: add swesterfeld

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

Changed files
+6
maintainers
+6
maintainers/maintainer-list.nix
···
github = "sweenu";
githubId = 7051978;
+
swesterfeld = {
+
email = "stefan@space.twc.de";
+
github = "swesterfeld";
+
githubId = 14840066;
+
name = "Stefan Westerfeld";
+
};
swflint = {
email = "swflint@flintfam.org";
github = "swflint";