Add development option per url

deps.js

@@ -1 +1 @@
-export { makeRpcCall } from "https://dev.zaubrik.com/schicksal@v0.0.7/client/dist/mod.js";
+export { makeRpcCall } from "https://dev.zaubrik.com/schicksal@v0.0.8/client/dist/mod.js";

shadow.js

@@ -101,6 +101,14 @@ export class Shadow extends HTMLElement {
       this._waitingList.size === 0;
   }
 
+  /**
+   * Shows if the client's location is the 'localhost'. Only one subdomain is
+   * allowed.
+   * @private
+   */
+  _isDevelopment =
+    window.location.hostname.replace(/^[^.]+\./g, "") === "localhost";
+
   /**
    * Access the 'shadowRoot' through the property 'root'.
    * @type {ShadowRoot}
@@ -283,7 +291,9 @@ export class Shadow extends HTMLElement {
    * @returns {Promise<void>}
    */
   async _makeRpcCallAndRender(method, property) {
-    const urlOrPath = this.getAttribute("rpc-url");
+    const urlOrPath = this.getAttribute("dev-url") && this._isDevelopment
+      ? this.getAttribute("dev-url")
+      : this.getAttribute("rpc-url");
     if (isString(urlOrPath)) {
       const [url, jwt] = this._getUrlAndJwt(urlOrPath);
       try {
@@ -368,6 +378,9 @@ export class Shadow extends HTMLElement {
       (name === "json-url" || name === "html-url" || name === "init-url") &&
       isString(newValue)
     ) {
+      if (this.getAttribute("dev-url") && this._isDevelopment) {
+        newValue = this.getAttribute("dev-url");
+      }
       this._isPaused = true;
       this._updateFromAttribute(name, newValue);
       this._fetchAndUpdate(name, newValue)