Improve error management on login screens

libraries/core/src/main/java/io/element/android/x/core/uri/UrlUtils.kt

@@ -0,0 +1,31 @@
+package io.element.android.x.core.uri
+
+import java.net.URL
+
+fun String.isValidUrl(): Boolean {
+    return try {
+        URL(this)
+        true
+    } catch (t: Throwable) {
+        false
+    }
+}
+
+/**
+ * Ensure string starts with "http". If it is not the case, "https://" is added, only if the String is not empty
+ */
+fun String.ensureProtocol(): String {
+    return when {
+        isEmpty() -> this
+        !startsWith("http") -> "https://$this"
+        else -> this
+    }
+}
+
+fun String.ensureTrailingSlash(): String {
+    return when {
+        isEmpty() -> this
+        !endsWith("/") -> "$this/"
+        else -> this
+    }
+}