fix: improve pdf rendering and html

public/partials/explorer.htm

@@ -91,6 +91,30 @@
           aria-label="Edit"
           ><i class="far fa-edit"></i><span class="d-none d-md-inline"> Edit</span></a
         >
+        <button
+          ng-if="type == 'html-doc' && !showSource"
+          ng-click="toggleAllowScripts()"
+          class="btn btn-sm"
+          ng-class="{'btn-active': allowScripts}"
+          aria-label="Allow this document to run JavaScript"
+          title="Scripts in this file are blocked by default. Enable them only if you trust the repository — the document stays isolated from your session either way."
+        >
+          <i class="fab fa-js"></i><span class="d-none d-md-inline">
+            {{ allowScripts ? "JS on" : "JS off" }}</span
+          >
+        </button>
+        <button
+          ng-if="type == 'html-doc'"
+          ng-click="toggleSource()"
+          class="btn btn-sm"
+          aria-label="Toggle between the rendered document and its source"
+          title="Toggle between the rendered document and its source"
+        >
+          <i class="fas" ng-class="showSource ? 'fa-eye' : 'fa-code'"></i
+          ><span class="d-none d-md-inline">
+            {{ showSource ? "Rendered" : "Source" }}</span
+          >
+        </button>
         <a
           ng-show="content != null"
           ng-href="{{url}}"