All basic functions plus guide README to use

src/nips/nip01.rs

@@ -1,9 +1,19 @@
+use anyhow::Result;
 use nostr_sdk::prelude::*;
-use anyhow::Result; // <--- Hinzufügen
 
-// Das Result hier bezieht sich jetzt auf anyhow::Result
+/// A simplified structure for a Text Post (Kind 1)
+/// Contains the ID, Author, content, and timestamp.
+#[derive(Debug, Clone)]
+pub struct Post {
+    pub id: EventId,
+    pub author: PublicKey,
+    pub content: String,
+    pub created_at: Timestamp,
+}
+
+/// Publishes a text note (Kind 1) to the connected relays.
 pub async fn publish_text(client: &Client, content: &str) -> Result<EventId> {
     let builder = EventBuilder::text_note(content);
     let output = client.send_event_builder(builder).await?;
     Ok(*output.id())
-}
+}