fix: make footer responsive and make some more changes

[Gmin2]

fixes #268
make the footer responsive and adjust the spaces in desktop screen

before the changes

after the change

[netlify]

✅ Deploy Preview for peaceful-ramanujan-288045 ready!

Name	Link
🔨 Latest commit	8998bde
🔍 Latest deploy log	https://app.netlify.com/sites/peaceful-ramanujan-288045/deploys/65f05980588dce0008bb1152
😎 Deploy Preview	https://deploy-preview-272--peaceful-ramanujan-288045.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[github-actions]

Welcome to AsyncAPI. Thanks a lot for creating your first pull request. Please check out our contributors guide useful for opening a pull request.
Keep in mind there are also other channels you can use to interact with AsyncAPI community. For more details check out this issue.

[AceTheCreator]

@utnim2 I already reviewed another PR fixing the same issue; please kindly close this PR 🙏🏾

[Gmin2]

@utnim2 I already reviewed another PR fixing the same issue; please kindly close this PR 🙏🏾

@AceTheCreator i have first created the PR and have not known that PR has been raised after that.Closing it

[AceTheCreator]

@utnim2 I already reviewed another PR fixing the same issue; please kindly close this PR 🙏🏾

@AceTheCreator i have first created the PR and have not known that PR has been raised after that.Closing it

Sorry about that 🙏🏾