implement save modul

src/routes/model/+page.svelte

@@ -38,6 +38,20 @@
         const res = fetch("http://127.0.0.1:8000/start/convergenceLoop")
     }
 
+    async function uploadModel(){
+        const response = await fetch('http://127.0.0.1:8000/modules/update', {
+            method: 'PUT',
+            body: JSON.stringify({  SetupSteps: SetupSteps,
+                                    StudyMission:StudySteps,
+                                    SizingLoop:SizingSteps,
+                                    PostprocessingSteps:PostprocessSteps}),
+            headers: {
+                'content-type': 'application/json'
+            }
+        })
+            .then(response => response.json())
+
+    }
     function dragStart(event, itemIndex) {
         const data =  {itemIndex};
         event.dataTransfer.setData('text/plain', JSON.stringify(data));
@@ -75,7 +89,7 @@
     <h2>Simulationsmodel</h2>
     <ButtonGroup>
         <Button color="dark" outline on:click={startModel}><Icon name="play-fill" /> Start </Button>
-        <Button color="dark" outline><Icon name="cloud-upload" />  Save </Button>
+        <Button color="dark" outline on:click={uploadModel}><Icon name="cloud-upload" />  Save </Button>
         <Button color="dark" outline on:click={loadModel}><Icon name="cloud-download" />  Load </Button>
     </ButtonGroup>
     <Row class="py-3">