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/gis/css/ol3.css

@@ -0,0 +1,39 @@
+.dj_map_wrapper {
+    position: relative;
+    float: left;
+}
+html[dir="rtl"] .dj_map_wrapper {
+    float: right;
+}
+
+.switch-type {
+    background-repeat: no-repeat;
+    cursor: pointer;
+    top: 0.5em;
+    width: 22px;
+    height: 20px;
+}
+
+.type-Point {
+    background-image: url("../img/draw_point_off.svg");
+    right: 5px;
+}
+.type-Point.type-active {
+    background-image: url("../img/draw_point_on.svg");
+}
+
+.type-LineString {
+    background-image: url("../img/draw_line_off.svg");
+    right: 30px;
+}
+.type-LineString.type-active {
+    background-image: url("../img/draw_line_on.svg");
+}
+
+.type-Polygon {
+    background-image: url("../img/draw_polygon_off.svg");
+    right: 55px;
+}
+.type-Polygon.type-active {
+    background-image: url("../img/draw_polygon_on.svg");
+}