Job Posting URL should be shown in Job card

[jatin33]

User should be able to click the job posting url in job card.

• [X] I have searched the issues of this repository and believe that this is not a duplicate.

Summary 💡

When user updates job posting url in the job card update form, a link with name "Job Description url" should appear in card using which he can visit the required sute

Examples 🌈

Motivation 🔦

Since this information will be accessed by user frequently, it makes sense to give a easy way to access this.