docs: add "Public Speaking" challenge (#405)

* feat: add public-speaking folder and a README

* feat: add content

* fix: wording

* Prettified Code!

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Co-authored-by: adiati98 <[email protected]>

monthly-challenges/public-speaking/README.md

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+# Find Your Voice! Public Speaking
+
+During this month, we'll be breaking down the art of public speaking into manageable steps, focusing on different aspects each week. Throughout the month, we'll provide resources, tips, and opportunities to practice and get feedback from the community.
+
+We close this challenge on Friday, the last week of the month, with the Lightning Talk. Check out [lightning-talks](../../lightning-talks/) folder for detailed information.
+
+> [!TIP]
+> Read our [`facilitator-docs.md`](../facilitators-docs.md) to learn how to handle tasks before and after challenges, as well as the technical guidelines.
+
+## Announcement to Kick-Off the Challenge
+
+📃 **Script Templates**
+
+**2024**
+
+TBA
+
+## Async Check-Ins
+
+⏳ **Timeline**: Mondays, 07:00 AM ET | **Monday inspiration:** 09:00 AM ET
+
+📃 **Script Templates**
+
+**2024**
+
+- **Week 1**
+
+  ```text
+  📣 If you haven’t yet, check out the resources for this month’s challenge, **Find Your Voice**!
+
+  **Blog:** https://dev.to/virtualcoffee/step-into-the-spotlight-join-our-public-speaking-monthly-challenge-52kl
+  **Guide:** https://virtualcoffee.io/assets/pdfs/lightning-talk-guide.pdf
+  **Challenge Page:** https://virtualcoffee.io/monthlychallenges/apr-2024
+  ```
+
+  ```text
+  Monday inspiration! “All the great speakers were bad speakers at first.” Ralph Waldo Emerson.
+  ```
+
+- **Week 2**
+
+  ```text
+  **Week Two: Crafting Your Content**
+  **Challenge:** Finalize your topic and develop a clear, concise message.
+  **Activity:** Draft an outline for your talk, including an introduction, main points, and conclusion.
+
+  Who needs help with their topic?
+  ```
+
+  ```text
+  Monday Inspiration! “All speaking is public speaking, whether it’s to one person or a thousand.” Roger Love
+  ```
+
+- **Week 3**
+
+  ```text
+  **Week Three: Delivery and Practice**
+  **Challenge:** Work on your vocal delivery, body language, and use of visuals.
+  **Activity:** Practice delivering your presentation in front of a mirror or someone else. Refine your presentation based on the feedback received and practice delivering it confidently.
+
+  This is a great time to practice with a mentor or a friend. Let us know if you need help getting paired up!
+  ```
+
+  ```text
+  Monday inspiration: “The goal of effective communication should be for listeners to say ‘Me too!’ versus ’So what?” Jim Rohn
+  ```
+
+- **Week 4**
+
+  ```text
+  It’s the final week!!!!
+
+  **Week Four: Final Preparation and Presentation**
+  **Challenge:** Make your final preparations and any adjustments to your presentation.
+  **Activity:** Give a lightning talk!
+
+  Who’s going to the lightning talks this week!!!!???!?!?!?
+  ```
+
+  ```text
+  Monday Inspiration: “If it scares you it may be a good thing to try.” Seth Godin
+  ```
+
+⏳ **Timeline**: Fridays, noon ET
+
+📃 **Script Templates**
+
+**2024**
+
+- **Week 1**
+
+  TBA
+
+- **Week 2**
+
+  ```text
+  Let’s do a check-in. Did you get your topic drafted?
+  ```
+
+- **Week 3**
+
+  ```text
+  Let’s do a check-in. Did you get at least one practice session in?
+  ```
+
+- **Week 4**
+
+  There is no check-in as it's Lightning Talk day.
+
+## Slack Channels
+
+Slack channels that we use for the challenge:
+
+- `#announcement`
+  - Initial announcement.
+- `#monthly-challenge`
+  - Challenge and Lightning Talk announcements.
+  - Async check-ins.
+- `#public-speaking`
+  - Challenge and Lightning Talk announcements.
+
+---
+
+## Past Challenges
+
+- [April 2024](https://virtualcoffee.io/monthlychallenges/apr-2024)
+
+## Past Blog Posts
+
+- **2024**: [Step Into the Spotlight: Join Our Public Speaking Monthly Challenge!](https://dev.to/virtualcoffee/step-into-the-spotlight-join-our-public-speaking-monthly-challenge-52kl)