feat: add credits modal and update docker config

- Add credits modal showing project creators and libraries used
- Replace bottom-of-canvas credits with clickable credits button
- Update docker-compose to pull pre-built image from git.azuze.fr registry
- Simplify README Docker instructions

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/index.html

@@ -103,6 +103,22 @@
 					<p class="header-2">Export this project</p>
 					<div id="export-project"><img src="assets/download-icon.svg"> <span>Export</span></div>
 				</div>
+				<div id="credits-modal">
+					<p class="header">Credits</p>
+					<p class="subtitle">Created by <span>Alyssa X</span></p>
+					<p class="subtitle">Maintained by <span>Kawa</span></p>
+					<hr style="margin-top: 15px; margin-bottom: 15px;">
+					<p class="subheader">Libraries & Tools</p>
+					<div id="credits-list">
+						<div class="credit-item">Fabric.js</div>
+						<div class="credit-item">Anime.js</div>
+						<div class="credit-item">Lottie</div>
+						<div class="credit-item">Pickr</div>
+						<div class="credit-item">Sortable.js</div>
+						<div class="credit-item">FFmpeg.wasm</div>
+						<div class="credit-item">jQuery</div>
+					</div>
+				</div>
         <div id="background-overlay"></div>
         <div id="color-picker"></div>
         <div id="color-picker-fill"></div>
@@ -290,8 +306,6 @@
             	</div>
 						</div>
 						<div id="bottom-canvas">
-							<a id="sponsor" href="https://github.com/sponsors/alyssaxuu" target="_blank"><img src="assets/sponsor.svg"> Sponsor</a>
-							<a id="alyssa-credit" href="https://twitter.com/alyssaxuu" target="_blank">Made by <span>Alyssa X</span> <img src="assets/alyssaimg.jpeg"></a>
 						</div>
             <img src="assets/replace-image.svg" id="replace-image">
 						<img src="assets/loading-image.svg" id="load-image" class="load-media">
@@ -375,6 +389,7 @@
 							<div id="share"><img src="assets/importexport.svg"> Import & export</div>
 							<div id="download"><img src="assets/download-icon.svg"> Download</div>
 						</div>
+						<div id="credits-button">Credits</div>
         </div>
         
         <video id="test-video"></video>