fix: backend dead code + bug destroy + nettoyage legacy

- Suppression forgottenPassword/resetPassword (dead code, routes jamais câblées)
- Suppression nodemailer (plus utilisé)
- Fix destroy() : getById() → read() (bug — méthode inexistante)
- Ajout getByNickname() dans UserManager (appelé mais manquant)
- README rebrandé Clickerz/Tetardtek
- Commentaire legacy WildCoinContext supprimé
- SPRINT1.md : ref Xmass nettoyée

Frontend/README.md

@@ -1,50 +1,11 @@
-<!--Head-->
+# Clickerz — Tetard Universe
 
-<h3>Clickerz — Tetard Universe</h3>
-<br>
+Idle clicker game. Fais éclore des têtards, construis ton empire et domine le marais.
 
-### 📄 About :
-<br> This site is a prototype exercise designed and developed by TrueQuiLeaks Team as part of their Web and Mobile Developer training at the Wild Code School on the Remote campus from September 2023.
+### Stack
 
-<br>
-<br>
+React · Vite · SCSS · Tailwind · Zustand
 
- 
-### ✏️ Languages : 
-This site is developed with the following languages : <br>
-<p dir="auto">
-<a href="https://www.w3.org/html/" target="_blank" rel="noreferrer">
-<img src="https://raw.githubusercontent.com/devicons/devicon/master/icons/html5/html5-original-wordmark.svg" alt="html5" width="40" height="40"/></a>
- 
-<a href="https://www.w3schools.com/css/" target="_blank" rel="noreferrer">
-<img src="https://raw.githubusercontent.com/devicons/devicon/master/icons/css3/css3-original-wordmark.svg" alt="css3" width="40" height="40"/></a>
+### Credits
 
-<a href="https://sass-lang.com" target="_blank" rel="noreferrer">
-<img src="https://raw.githubusercontent.com/devicons/devicon/master/icons/sass/sass-original.svg" alt="sass" width="40" height="40"/></a> 
-
-<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript" target="_blank" rel="noreferrer">
-<img src="https://raw.githubusercontent.com/devicons/devicon/master/icons/javascript/javascript-original.svg" alt="javascript" width="40" height="40"/></a>
-
-<a href="https://reactjs.org/" target="_blank" rel="noreferrer">
-<img src="https://raw.githubusercontent.com/devicons/devicon/master/icons/react/react-original-wordmark.svg" alt="react" width="40" height="40"/></a>
-</p>
-<br>
-<br>
- 
-### 🎖️Achievements :
-- **W3C:** Our website has passed W3C certification.
-- **Accessibility:** bookofwilder.fr to pass the LightHouse PC and Mobile test with a result of 100%.
-- **SEO:** This was one of our personal validation criteria and after the LightHouse tests (PC and Mobile), our site fulfilled it 100%.
-- **Speed:** Our site sets speed records with a 100% on the LightHouse PC test and 100% on Mobile. Improvements are underway to optimize this latter result.
-
-<br>
-<br>
-
-### Credits :
-
-This site is a prototype exercise designed and developed by: Alix C, Sebastien L, Baptiste S, Kévin T and Nicolas DF as part of their Web and Mobile Developer training at the Wild Code School on the Remote campus from September 2023 .
-
-<br>
-<br>
-<br>
-<br>
+Développé par [Kevin T](https://github.com/tetardtek) · Powered by Brain