implemented image builder

Signed-off-by: makbn <mehdi74akbarian@gmail.com>

Author: makbn

jlmap-api/src/main/java/io/github/makbn/jlmap/model/builder/JLImageOverlayBuilder.java

@@ -0,0 +1,73 @@
+package io.github.makbn.jlmap.model.builder;
+
+import io.github.makbn.jlmap.model.JLBounds;
+import io.github.makbn.jlmap.model.JLImageOverlay;
+import lombok.AccessLevel;
+import lombok.experimental.FieldDefaults;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@FieldDefaults(level = AccessLevel.PRIVATE)
+public class JLImageOverlayBuilder extends JLObjectBuilder<JLImageOverlay, JLImageOverlayBuilder> {
+    String imageUrl;
+    List<double[]> bounds = new ArrayList<>();
+
+    public JLImageOverlayBuilder setImageUrl(String imageUrl) {
+        this.imageUrl = imageUrl;
+        return this;
+    }
+
+    /**
+     * Set bounds using two double arrays: [lat, lng] for southwest and northeast corners.
+     */
+    public JLImageOverlayBuilder setBounds(List<double[]> bounds) {
+        if (bounds == null || bounds.size() != 2)
+            throw new IllegalArgumentException("Bounds must have exactly two coordinates (SW, NE)");
+        this.bounds = bounds;
+        return this;
+    }
+
+    @Override
+    protected String getElementVarName() {
+        return uuid;
+    }
+
+    @Override
+    protected String getElementType() {
+        return JLImageOverlay.class.getSimpleName().toLowerCase();
+    }
+
+    @Override
+    public String buildJsElement() {
+        if (imageUrl == null || bounds.size() != 2) return "";
+        String boundsJs = String.format("[[%f, %f], [%f, %f]]", bounds.get(0)[0], bounds.get(0)[1], bounds.get(1)[0], bounds.get(1)[1]);
+        return String.format("""
+                            let %1$s = L.imageOverlay('%2$s', %3$s, { %4$s });
+                            this.%1$s = %1$s;
+                            %1$s.uuid = '%5$s';
+                            // callback start
+                            %6$s
+                            // callback end
+                            %1$s.addTo(this.map);
+                        """,
+                getElementVarName(),
+                imageUrl,
+                boundsJs,
+                renderOptions(),
+                getElementVarName(),
+                renderCallbacks()
+        );
+    }
+
+    @Override
+    public JLImageOverlay buildJLObject() {
+        return JLImageOverlay.builder()
+                .id(uuid)
+                .imageUrl(imageUrl)
+                .bounds(JLBounds.builder().build())
+                .options(jlOptions)
+                .transport(transporter)
+                .build();
+    }
+}