added init image

src/web/layout/image.py

@@ -1,17 +1,19 @@
 import dash_mantine_components as dmc
+from dash import html
+from pathlib import Path
+from base64 import b64encode
 
+# read init img
+init_img_path = Path(__file__).parent / "init_img.png"
+with open(init_img_path.absolute(), "rb") as fh:
+    init_img_enc = b64encode(fh.read()).decode("utf-8")
 
 image_element = dmc.Center(
-    dmc.Image(
+    html.Img(
+        style={
+            "width": "100%",
+        },
         id="image-container",
-        width=600,
-        height=600,
-        withPlaceholder=True,
-        placeholder=[
-            dmc.Loader(
-                color="gray",
-                size="md"
-            )
-        ]
+        src=f"data:image/png;base64, {init_img_enc}"
     )
-)
+)