moved the jokes to a shared area

shared/src/advent/challenges/day_three/repo.rs

···
 use std::io::Cursor;
 
+use crate::advent::get_a_joke;
 use atrium_api::types::string::{Nsid, RecordKey};
 use atrium_crypto::keypair::P256Keypair;
-use atrium_repo::{Repository, blockstore::{CarStore, MemoryBlockStore}};
-use rand::seq::IndexedRandom;
+use atrium_repo::{
+    Repository,
+    blockstore::{CarStore, MemoryBlockStore},
+};
 use serde::Serialize;
 
 const CHALLENGE_DID: &str = "did:plc:3oktyyf7u4ecnvdwf3ogehpd";
-
-const VERY_BAD_JOKE_SETUPS: &[&str] = &[
-    "what do you call a cow with two legs?",
-    "what do bees do if they need a ride?",
-    "what do you call a monkey that loves doritos?",
-    "why did the can crusher quit her job?",
-    "when’s the best time to go to the dentist?",
-    "why do seagulls fly over the sea?",
-    "what do you call a farm that makes bad jokes?",
-    "why do fish live in saltwater?",
-    "what kind of streets do ghosts haunt?",
-    "what do you call it when one cow spies on another?",
-    "what happens when a frog’s car breaks down?",
-    "what does a zombie vegetarian eat?",
-    "what do you call it when a snowman throws a tantrum?",
-    "why did the scarecrow win an award?",
-    "what did the buffalo say when his son left?",
-    "wait, you don’t want to hear a joke about potassium?",
-];
 
 #[derive(Debug, thiserror::Error)]
 pub enum CarBuildError {
···
     // add record
     let key = format!("{}/{}", collection.as_str(), rkey.as_str());
     let created_at = &chrono::Utc::now().to_rfc3339();
-    let joke = VERY_BAD_JOKE_SETUPS.choose(&mut rand::rng()).unwrap_or(&"no joke");
+    let joke = get_a_joke();
     let record = ChallengeRecord {
         created_at,
         verification_code,

shared/src/advent/mod.rs

···
 use handlebars::{Handlebars, RenderError};
 use markdown::{CompileOptions, Options};
 use rand::distr::{Alphanumeric, SampleString};
+use rand::seq::IndexedRandom;
 use rust_embed::EmbeddedFile;
 use serde_json::json;
 use sqlx::PgPool;
···
 
     Ok(result)
 }
+
+const VERY_BAD_JOKE_SETUPS: &[&str] = &[
+    "what do you call a cow with two legs?",
+    "what do bees do if they need a ride?",
+    "what do you call a monkey that loves doritos?",
+    "why did the can crusher quit her job?",
+    "when’s the best time to go to the dentist?",
+    "why do seagulls fly over the sea?",
+    "what do you call a farm that makes bad jokes?",
+    "why do fish live in saltwater?",
+    "what kind of streets do ghosts haunt?",
+    "what do you call it when one cow spies on another?",
+    "what happens when a frog’s car breaks down?",
+    "what does a zombie vegetarian eat?",
+    "what do you call it when a snowman throws a tantrum?",
+    "why did the scarecrow win an award?",
+    "what did the buffalo say when his son left?",
+    "wait, you don’t want to hear a joke about potassium?",
+    "how do you organize a space party?",
+    "what did one casket say to the other casket?",
+];
+
+/// Gets a random joke from the VERY_BAD_JOKE_SETUPS array
+pub fn get_a_joke() -> &'static str {
+    VERY_BAD_JOKE_SETUPS
+        .choose(&mut rand::rng())
+        .unwrap_or(&"no joke")
+}