feat: collection runner (#3600)

Co-authored-by: jamesgeorge007 <25279263+jamesgeorge007@users.noreply.github.com>
Co-authored-by: nivedin <nivedinp@gmail.com>

packages/hoppscotch-selfhost-web/tailwind.config.ts

@@ -11,6 +11,7 @@ export default {
         upperSecondaryStickyFold: "var(--upper-secondary-sticky-fold)",
         upperTertiaryStickyFold: "var(--upper-tertiary-sticky-fold)",
         upperFourthStickyFold: "var(--upper-fourth-sticky-fold)",
+        upperRunnerStickyFold: "var(--upper-runner-sticky-fold)",
         upperMobilePrimaryStickyFold: "var(--upper-mobile-primary-sticky-fold)",
         upperMobileSecondaryStickyFold:
           "var(--upper-mobile-secondary-sticky-fold)",