preserve original URL to keep seo and not loose backlinks

Author: crstatsig

docs/guides/sidecar-experiments/launching-experiments.mdx renamed to docs/guides/sidecar-experiments/publishing-experiments.mdx

@@ -656,7 +656,7 @@ const sidebars: SidebarsConfig = {
                 "guides/sidecar-experiments/setup",
                 "guides/sidecar-experiments/creating-experiments",
                 "guides/sidecar-experiments/measuring-experiments",
-                "guides/sidecar-experiments/launching-experiments",
+                "guides/sidecar-experiments/publishing-experiments",
                 "guides/sidecar-experiments/integrating-gtm",
                 "guides/aa-sidecar",
               ],