feat: Update plantrip.html

[sau-mili]

Title and Issue number

Title : Updated plan a trip page

Issue No. : #1261

Code Stack : HTML, CSS, JS

Close #1261

Description

Video/Screenshots (mandatory)

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Checklist:

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have gone through the contributing.md file before contributing

Additional context:

##Are you contributing under any Open-source programme?

• I am contributing under GSSOC'24
• I am contributing under VSOC'24

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[apu52]

the UI of the plan trip page is not looking professional , please try to enhance the UI

[sau-mili]

Okay. I will update it by tomorrow

[sau-mili]

Please check now. I have Updated the page.

• added new background
• new navbar
• form UI updated
• added caution if not input is added
• added a trip suggesting carousel
  
  
  
  

[apu52]

@sau-mili this pR has some merge conflicts , please try to resolve the conflicts , so that I can review the code & will be able to merge the PR.

[sau-mili]

i will resolve it in 5 minutes

[sau-mili]

Please check now