mv add form into advance

templates/panel/sitekey/add/advance/form.html

@@ -0,0 +1,42 @@
+<form class="sitekey-form" action="<.= crate::V1_API_ROUTES.levels.add .>" method="post">
+	<h1 class="form__title">
+		<.= form_title .>
+	</h1>
+    <label class="sitekey-form__label" for="description">
+		Description
+	  <input
+		class="sitekey-form__input"
+		type="text"
+		name="description"
+		id="description"
+		required
+		<. if !form_description.trim().is_empty() { .>
+		value="<.= form_description .>"
+		<. } .>
+	  />
+	</label>
+
+    <label class="sitekey-form__label" for="duration">
+		Cooldown Duratoin(in seconds)
+	  <input
+		class="sitekey-form__input"
+		type="number"
+		name="duration"
+		id="duration"
+		min=0
+		required
+		value="<.= form_duration .>"
+	  />
+	</label>
+
+
+  <. for level in 1..=levels { .>
+    <. if level == levels { .>
+    <. include!("./add-level.html"); .> 
+    <. } else { .> 
+    <. include!("./existing-level.html"); .> 
+    <. } .> 
+  <. } .>
+
+  <button class="sitekey-form__submit" type="submit">Submit</button>
+</form>