add "delete all mods" feature

ui/App/views/Mods/Mods.jsx

@@ -20,6 +20,15 @@ const Mods = () => {
             });
     };
 
+    const deleteAllMods = () => {
+        modsResource.deleteAll()
+            .then(res => {
+                if(res.success) {
+                    fetchInstalledMods();
+                }
+            })
+    }
+
     useEffect(() => {
         server.factorioVersion()
             .then(res => {
@@ -55,7 +64,9 @@ const Mods = () => {
                     </table>
 
                 }
-
+                actions={
+                    <Button size="sm" type="danger" onClick={deleteAllMods}>Delete all Mods</Button>
+                }
             />
         </>
     )

ui/api/resources/mods.js

@@ -42,8 +42,11 @@ const mods = {
             }
         })
         return response.data;
+    },
+    deleteAll: async () => {
+        const response = await client.post('/api/mods/delete/all');
+        return response.data;
     }
-
 }
 
 export default mods;