Audit and Fix data-conversions.md

[joshuali7536]

Fixes #123

• Checked for typos and grammar errors
• Checked page in desktop, mobile, light & dark
• Checked using Lighthouse & Web Hint
• Added alt tags to images
• Added Frontmatter

Note: The tables are kept as HTML tags due to formatting requirements. Markdown tables cannot have merged cells in a row and cannot have no header row. Table formatting as seen below:

[Kevan-Y]

@joshuali7536 Hi, there is a recent change where we remove slug (#142). Could you kindly remove slug in all you changed files, thank you

[joshuali7536]

@Kevan-Y the slug has been removed from the modified files.

[humphd]

@Kevan-Y can you re-review these changes?

[joshuali7536]

Branch has been rebased