changed imports to mkImports

src/user/config/keys/default.nix

@@ -0,0 +1,26 @@
+with builtins;
+let
+  extractName = string:
+    let
+      metadata = [
+        "pub" "public" "priv" "private"
+        "key" "file" "." "_" "-" "pk"
+      ];
+    in
+      replaceStrings metadata (builtins.map (_: "") metadata) string;
+
+  constructKeys = dir: (
+    listToAttrs (
+      map (subdir: {
+        name = subdir;
+        value = listToAttrs (
+          map (file: {
+            name = extractName file;
+            value = readFile "${dir}/${subdir}/${file}";
+          }) (filter (node: (readDir "${dir}/${subdir}").${node} == "regular") (attrNames (readDir "${dir}/${subdir}")))
+        );
+      }) (filter (node: (readDir dir).${node} == "directory") (attrNames (readDir dir)))
+    )
+  );
+in
+  constructKeys ./.