Scan: Implemented Datasource index page and created new CTooltip component

[pzshine]

Fixed: #2412

Implementation details

• Implemented Top part of Datasource (Infomation Box)
• Implemented the new CTooltip component.
• Created new reusable CSS, now there is only one flexBox class.

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[render]

Your Render PR Server URL is https://d3n-scan-pr-2454.onrender.com.

Follow its progress at https://dashboard.render.com/static/srv-bsp2oq2pp1jv157bs3rg.