fixed shortcomings :P

flake.nix

@@ -5,6 +5,12 @@
     { self }:
     {
       templates = {
+        default = self.templates.shell;
+
+        shell = {
+          path = ./shell;
+          description = "A base devshell to build off of";
+        };
 
         rust = {
           path = ./rust;