chore: update codeowners file (#979)

.github/CODEOWNERS

@@ -0,0 +1,15 @@
+# CODEOWNERS info: https://help.github.com/en/articles/about-code-owners
+# Owners are automatically requested for review for PRs that changes code
+# that they own.
+
+next.config.js @SigNoz/frontend
+package.json @SigNoz/frontend
+jsconfig.json @SigNoz/frontend
+contentlayer.config.ts @SigNoz/frontend
+postcss.config.js @SigNoz/frontend
+app/sitemap.ts @SigNoz/frontend
+.github @SigNoz/frontend
+.husky @SigNoz/frontend
+plugins @SigNoz/frontend
+scripts @SigNoz/frontend
+utils @SigNoz/frontend