Added "Dr Stone" and "Violet Evergarden" animojis

[DriftAsimov]

• [x] 🔍 I have searched the datasource directory and confirmed I am not adding a duplicate title.
• [x] 🌻 I have added a anime year under animeYear.
• [x] 🔗 I have added the myanimelist page under animeLink.
• [x] 3️⃣ I have at least three emojis listed under animeEmoji.
• [x] 8️⃣ I have a maximum of eight emojis listed under animeEmoji.
• [x] 🥙 I have written the file using kebab-case.
• [x] 👍 My pull request has a descriptive title such as Added "Dr Stone" and "Violet Evergarden" animojis.