Add Nostr login info to context

CONTEXT.md

@@ -150,6 +150,30 @@ export function MyComponent() {
 
 The `useCurrentUser` hook should be used to ensure that the user is logged in before they are able to publish Nostr events.
 
+### Nostr Login
+
+Nostr supports several types of logins:
+
+1. Login with nsec
+2. Login with browser extension
+3. Login with bunker URI
+
+Functions to log in with each of these methods are exposed by the `useLoginActions` hook:
+
+```tsx
+function MyComponent() {
+  const login = useLoginActions();
+
+  login.nsec(nsec); // login by the user pasting their secret key
+  login.bunker(uri); // login by the user pasting a bunker URI
+  login.extension(); // login with a NIP-07 browser extension
+
+  return (
+    <div>{/* ... */}</div>
+  );
+}
+```
+
 ## Development Practices
 
 - Uses React Query for data fetching and caching

src/hooks/useLoginActions.ts

@@ -5,7 +5,7 @@ import { NLogin, useNostrLogin } from '@nostrify/react/login';
 
 export function useLoginActions() {
   const { nostr } = useNostr();
-  const { addLogin } = useNostrLogin();
+  const { logins, addLogin, removeLogin } = useNostrLogin();
 
   return {
     // Login with a Nostr secret key
@@ -23,5 +23,12 @@ export function useLoginActions() {
       const login = await NLogin.fromExtension();
       addLogin(login);
     },
+    // Log out the current user
+    async logout(): Promise<void> {
+      const login = logins[0];
+      if (login) {
+        removeLogin(login.id);
+      }
+    }
   };
 }