Move nostr pubkeys to LDAP attribute

closes #173

spec/requests/well_known_spec.rb

@@ -19,6 +19,11 @@ RSpec.describe "Well-known URLs", type: :request do
     context "user does not have a nostr pubkey configured" do
       let(:user) { create :user, cn: 'spongebob', ou: 'kosmos.org' }
 
+      before do
+        allow_any_instance_of(User).to receive(:ldap_entry)
+          .and_return({ nostr_key: nil })
+      end
+
       it "returns a 404 status" do
         get "/.well-known/nostr.json?name=spongebob"
         expect(response).to have_http_status(:not_found)
@@ -26,8 +31,12 @@ RSpec.describe "Well-known URLs", type: :request do
     end
 
     context "user with nostr pubkey" do
-      let(:user) { create :user, cn: 'bobdylan', ou: 'kosmos.org', nostr_pubkey: '438d35a6750d0dd6b75d032af8a768aad76b62f0c70ecb45f9c4d9e63540f7f4' }
-      before { user.save! }
+      let(:user) { create :user, cn: 'bobdylan', ou: 'kosmos.org' }
+      before do
+        user.save!
+        allow_any_instance_of(User).to receive(:nostr_pubkey)
+          .and_return('438d35a6750d0dd6b75d032af8a768aad76b62f0c70ecb45f9c4d9e63540f7f4')
+      end
 
       it "returns a NIP-05 response" do
         get "/.well-known/nostr.json?name=bobdylan"