Add settings panel with strip reopen button and AV disabled notification

Features:
- Added ScryingPoolSettings application with reopen/close strip buttons
- Registered settings menu in module settings (GM only)
- Added template for settings panel with styled buttons
- Added translations for settings UI
- Added info notification when AV is not available

Files:
- src/ui/gm/ScryingPoolSettings.js: New settings application
- templates/settings.hbs: Settings panel template
- lang/en.json: Added translations
- module.js: Registered settings menu and AV notification

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

templates/settings.hbs

@@ -0,0 +1,53 @@
+<form class="scrying-pool-settings-form">
+  <div class="form-group">
+    <h2>{{localize "SCRYING_POOL.Settings.Title"}}</h2>
+    <p class="hint">{{localize "SCRYING_POOL.Settings.Hint"}}</p>
+  </div>
+
+  <div class="form-group">
+    <label>{{localize "SCRYING_POOL.Settings.StripStatus"}}</label>
+    {{#if hasStrip}}
+      <button type="button" data-action="close-strip" class="scrying-pool-btn scrying-pool-btn-close">
+        <i class="fa-solid fa-eye-slash"></i> {{localize "SCRYING_POOL.Settings.CloseStrip"}}
+      </button>
+    {{else}}
+      <button type="button" data-action="reopen-strip" class="scrying-pool-btn scrying-pool-btn-reopen">
+        <i class="fa-solid fa-eye"></i> {{localize "SCRYING_POOL.Settings.ReopenStrip"}}
+      </button>
+    {{/if}}
+  </div>
+
+  <style>
+    .scrying-pool-settings-form {
+      padding: 15px;
+    }
+    .scrying-pool-settings-form .form-group {
+      margin-bottom: 15px;
+    }
+    .scrying-pool-settings-form .hint {
+      color: var(--text-muted);
+      font-size: 0.9em;
+    }
+    .scrying-pool-btn {
+      padding: 8px 16px;
+      border: none;
+      border-radius: 4px;
+      cursor: pointer;
+      font-size: 14px;
+      display: inline-flex;
+      align-items: center;
+      gap: 8px;
+    }
+    .scrying-pool-btn-reopen {
+      background-color: var(--success);
+      color: white;
+    }
+    .scrying-pool-btn-close {
+      background-color: var(--danger);
+      color: white;
+    }
+    .scrying-pool-btn:hover {
+      opacity: 0.9;
+    }
+  </style>
+</form>