style: format code with prettier (#641)

Format code with prettier

This commit fixes the style issues introduced in ecd42a8 according to the output
from Prettier.

Details: https://app.deepsource.com/gh/narayan954/dummygram/transform/6febb68f-6ac9-41d3-8a87-449166883e86/

Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

src/components/SideBar/index.css

@@ -98,7 +98,7 @@ footer {
 
 .copyright {
   margin-top: 10px;
-  color: var(--color);;
+  color: var(--color);
 }
 
 /* media query */