Day 7: Typos

[im-amy-lew]

Describe the bug:
There are a few minor typos on this page:

• "Github"
• "eachother's"
• "pracice"
• "up-to-date"

To Reproduce:
Steps to reproduce the behavior:

1. Go to the Day 7 page.
2. Scroll down to the "Daily Challenge" section to find the first two typos: "Github" on the line after the first line "5", "eachother's" on the second line "5".
3. Scroll down to the "Take Home Challenge" section to find the last two typos: "pracice" on the first line, "up-to-date" on line "1".

Desktop:

• OS: Windows 10 Pro
• Browser: Chrome
• Version: 107.0.5304.107

Additional context:
Locations of typos in the source code and proposed changes:

• Line 116: "Github" → "GitHub"
• Line 123: "eachother's" → "each other's"
• Line 146: "pracice" → "practice"
• Line 149: "up-to-date" → "up to date"

Thank you! :)