Blog images & Overlay

[stanleyume]

What issue does this fix?.

Summarize what this PR fixes:- Added images to the articles in the blog section, and an overlay to make the image text readable.

What ISSUE NUMBER does this fix?

Fixes #921

Checklist

(Add an x between the brackets to check the items)

• [x] I have summarize what this PR fixes above
• [x] I have provided the issue ID/URL above
• [x] I have not added Bootstrap or jQuery and used correct styling guide.
• [x] This PR fixes only the issue mentioned above (create separate PRs for separate issues)
• [x] I was the first one to claim the issue or I created the issue - I created the issue

[zero-to-mastery-bot[bot]]

🙏 Thanks for your pull request @stanleyume, The team will now review and merge this request. In the mean time why not check out some of the other opensource projects available, contributions are greatly appreciated!

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• Student Resources
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PR Statistics

#️⃣ PR Number:	➕ Line Additions:	🗑️ Line Deletions:
922	26	2

📑 Files Changed:	⭐ Repo Stars:	🔱 Total Forks:
7	198	408

[brittneypostma]

Looks great!