v0.8.0 Release Candidate

* Improved ability to format the card using card-mod
* Major refactor of all code

NOTE:  If you notice problems with this latest release, please report the issue on the repo and revert back to the prior version.

dist/card_editor.js

@@ -0,0 +1,55 @@
+//
+//  Define and register the UI Card Editor 
+//
+import { html, LitElement } from "https://cdn.jsdelivr.net/gh/lit/dist@2/core/lit-core.min.js";
+
+
+export class MyCustomCardEditor extends LitElement {
+
+    static get properties() {
+        return {
+            hass: {},
+            _config: {},
+        };
+    }
+
+    // setConfig works the same way as for the card itself
+    setConfig(config) {
+        this._config = config;
+    }
+
+    // This function is called when the input element of the editor loses focus
+    entityChanged(ev) {
+
+        // We make a copy of the current config so we don't accidentally overwrite anything too early
+        const _config = Object.assign({}, this._config);
+        // Then we update the entity value with what we just got from the input field
+        _config.entity = ev.target.value;
+        // And finally write back the updated configuration all at once
+        this._config = _config;
+
+        // A config-changed event will tell lovelace we have made changed to the configuration
+        // this make sure the changes are saved correctly later and will update the preview
+        const event = new CustomEvent("config-changed", {
+            detail: { config: _config },
+            bubbles: true,
+            composed: true,
+        });
+        this.dispatchEvent(event);
+    }
+
+    render() {
+        if (!this.hass || !this._config) {
+            return html``;
+        }
+
+      // @focusout below will call entityChanged when the input field loses focus (e.g. the user tabs away or clicks outside of it)
+        return html`
+            Entity:
+            <input
+            .value=${this._config.entity}
+            @focusout=${this.entityChanged}
+            ></input>
+        `;
+    }
+}

dist/const.js

@@ -0,0 +1 @@
+export let VERSION = "v0.8.0"