Readme: add a download section (#7401)

README.md

@@ -24,6 +24,10 @@ See [screenshots](https://triliumnext.github.io/Docs/Wiki/screenshot-tour) for q
 
 <a href="https://triliumnext.github.io/Docs/Wiki/screenshot-tour"><img src="./docs/app.png" alt="Trilium Screenshot" width="1000"></a>
 
+## ⏬ Download
+- [Latest release](https://github.com/TriliumNext/Trilium/releases/latest) – stable version, recommended for most users.
+- [Nightly build](https://github.com/TriliumNext/Trilium/releases/tag/nightly) – unstable development version, updated daily with the latest features and fixes.
+
 ## 📚 Documentation
 
 **Visit our comprehensive documentation at [docs.triliumnotes.org](https://docs.triliumnotes.org/)**

apps/client/src/services/css_class_manager.ts

@@ -16,14 +16,10 @@ const darkThemeColorMinLightness = readCssVar(
                                     ).asNumber(50);
 
 function createClassForColor(colorString: string | null) {
-    if (!colorString?.trim()) {
+    if (!colorString?.trim()) return "";
-        return "";
-    }
 
     const color = parseColor(colorString);
-    if (!color) {
+    if (!color) return "";
-        return;
-    }
 
     const className = `color-${color.hex().substring(1)}`;