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/unfold/forms/js/trix.config.js

@@ -0,0 +1,39 @@
+Trix.config.blockAttributes.heading2 = {
+    tagName: "h2",
+    breakOnReturn: true,
+    group: false,
+    terminal: true
+}
+
+Trix.config.blockAttributes.heading3 = {
+    tagName: "h3",
+    breakOnReturn: true,
+    group: false,
+    terminal: true
+}
+
+Trix.config.blockAttributes.heading4 = {
+    tagName: "h4",
+    breakOnReturn: true,
+    group: false,
+    terminal: true
+}
+
+Trix.config.blockAttributes.p = {
+    tagName: "p",
+    breakOnReturn: true,
+    terminal: true
+}
+
+Trix.config.textAttributes.underlined = {
+    tagName: "u",
+    inheritable: true,
+    parser(element) {
+        const style = window.getComputedStyle(element);
+        return style.textDecoration === "underline";
+    },
+}
+
+document.addEventListener("trix-before-initialize", () => {
+    Trix.config.toolbar.getDefaultHTML = () => document.getElementById("trix-toolbar").innerHTML
+})