FEATURE: warning message when world is near full capacity

front/dist/resources/html/warningContainer.html

@@ -0,0 +1,18 @@
+<style>
+    #warningMain {
+        border-radius: 5px;
+        height: 100px;
+        width: 300px;
+        background-color: red;
+        text-align: center;
+    }
+
+    #warningMain h2 {
+        padding: 5px;
+    }
+</style>
+
+<main id="warningMain">
+    <h2>Warning!</h2>
+    <p>This world is close to its limit!</p>
+</main>