Add email templates for user notifications and account management

- Created a base email template (base.html) for consistent styling across all emails.
- Added moderation approval email template (moderation_approved.html) to notify users of approved submissions.
- Added moderation rejection email template (moderation_rejected.html) to inform users of required changes for their submissions.
- Created password reset email template (password_reset.html) for users requesting to reset their passwords.
- Developed a welcome email template (welcome.html) to greet new users and provide account details and tips for using ThrillWiki.

django/staticfiles/django_extensions/css/jquery.autocomplete.css

@@ -0,0 +1,38 @@
+/**
+ * @fileOverview CSS for jquery-autocomplete, the jQuery Autocompleter
+ * @author <a href="mailto:dylan@dyve.net">Dylan Verheul</a>
+ * @license MIT | GPL | Apache 2.0, see LICENSE.txt
+ * @see https://github.com/dyve/jquery-autocomplete
+ */
+.acResults {
+	padding: 0px;
+	border: 1px solid WindowFrame;
+	background-color: Window;
+	overflow: hidden;
+}
+
+.acResults ul {
+	margin: 0px;
+	padding: 0px;
+	list-style-position: outside;
+	list-style: none;
+}
+
+.acResults ul li {
+	margin: 0px;
+	padding: 2px 5px;
+	cursor: pointer;
+	display: block;
+	font: menu;
+	font-size: 12px;
+	overflow: hidden;
+}
+
+.acLoading {
+	background : url('../img/indicator.gif') right center no-repeat;
+}
+
+.acSelect {
+	background-color: Highlight;
+	color: HighlightText;
+}