Donga Kasi Pavan Kumar issues

Results 4 issues of


                                            Donga Kasi Pavan Kumar

doc(nextjs): Remove unnecessary backticks.

_Issue #, if available:_ Right now, NextJS guides shows unnecessary backticks in [one of the code blocks](https://docs.amplify.aws/guides/hosting/nextjs/q/platform/js/#adding-amplify-hosting-1:~:text=amplify%20add%20hosting-,%60%60%60console,-%3F%20Select%20the%20plugin). ![image](https://user-images.githubusercontent.com/44864604/175997312-98539601-2122-410e-994b-f64334c22190.png) _Description of changes:_ This PR removes the aforementioned backticks. By submitting this...

amplify/js

Fix typo: mx-autp → mx-auto

Fixes a typo in the `className` under AdminNavbar.js where `mx-autp` was used instead of `mx-auto`.

fix(typo): three typos

Fixes include: 1. Added one missing closing parenthesis on line 49. 2. Two typo fixes: a. Variabless → Variables b. Undbound → Unbound Thank you.

Show warning when duplicate destination URL exists (#926)

Show an error message when destination URL exists for a domain. ## Screenshot ![image](https://github.com/dubinc/dub/assets/44864604/ded6e976-4b03-41ac-b01e-623a064eaca0) Fixes #926