docs: Add notes about Node 18.x in Vercel instructions

Author: DenverCoder1

.gitignore

@@ -8,7 +8,6 @@ package-lock.json
 .vercel
 
 # Local Configuration
-package.json
 .DS_Store
 
 # Environment

README.md

@@ -146,7 +146,7 @@ The longest streak is the highest number of consecutive days on which you have m
 
 The current streak is the number of consecutive days ending with the current day on which you have made at least one contribution. If you have made a contribution today, it will be counted towards the current streak, however, if you have not made a contribution today, the streak will only count days before today so that your streak will not be zero.
 
-> **Note**
+> [!NOTE]  
 > You may need to wait up to 24 hours for new contributions to show up ([Learn how contributions are counted](https://docs.github.com/articles/why-are-my-contributions-not-showing-up-on-my-profile))
 
 ## 📤 Deploying it on your own
@@ -163,12 +163,13 @@ The Inkscape dependency is required for PNG rendering, as well as Segoe UI font
 
 Vercel is the recommended option for hosting the files since it is **free** and easy to set up. Watch the video below or expand the instructions to learn how to deploy to Vercel.
 
-> **Note** PNG mode is not supported since Inkscape will not be installed but the default SVG mode will work.
+> [!NOTE]  
+> PNG mode is not supported since Inkscape will not be installed but the default SVG mode will work.
 
 ### 📺 [Click here for a video tutorial on how to self-host on Vercel](https://www.youtube.com/watch?v=maoXtlb8t44)
 
 <details>
-  <summary><b>Instructions for deploying to Vercel</b></summary>
+  <summary><b>Instructions for deploying to Vercel (Free)</b></summary>
 
 ### Step-by-step instructions for deploying to Vercel
 
@@ -190,6 +191,11 @@ Vercel is the recommended option for hosting the files since it is **free** and
 
 ![deployment](https://github.com/DenverCoder1/github-readme-streak-stats/assets/20955511/32092461-5983-4fed-b21b-29be55ed85e8)
 
+> ⚠️ **Note**
+> If you receive an error related to libssl or Node 20.x, you can fix this by opening your Vercel project settings and changing the Node.js version to 18.x.
+>
+> ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/20955511/5fb18fb5-debe-4620-9c8b-193ab442a617)
+
 #### Option 2: Deploy to Vercel manually
 
 1. Sign in to **Vercel** or create a new account at <https://vercel.com>
@@ -207,7 +213,14 @@ Vercel is the recommended option for hosting the files since it is **free** and
 
 ![image](https://user-images.githubusercontent.com/20955511/209588756-8bf5b0cd-9aa6-41e8-909c-97bf41e525b3.png)
 
-> **Note** To set up automatic Vercel deployments from GitHub, make sure to turn **off** "Include source files outside of the Root Directory" in the General settings and use `vercel` as the production branch in the Git settings.
+> ⚠️ **Note**  
+> To set up automatic Vercel deployments from GitHub, make sure to turn **off** "Include source files outside of the Root Directory" in the General settings and use `vercel` as the production branch in the Git settings.
+
+> ⚠️ **Note**  
+> If you receive an error related to libssl or Node 20.x, you can fix this by opening your Vercel project settings and changing the Node.js version to 18.x.
+>
+> ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/20955511/5fb18fb5-debe-4620-9c8b-193ab442a617)
+
 
 </details>
 
@@ -216,7 +229,7 @@ Vercel is the recommended option for hosting the files since it is **free** and
 Heroku is another great option for hosting the files. All features are supported on Heroku and it is where the default ___domain is hosted. Heroku is not free, however, and you will need to pay between \$5 and \$7 per month to keep the app running. Expand the instructions below to learn how to deploy to Heroku.
 
 <details>
-  <summary><b>Instructions for deploying to Heroku</b></summary>
+  <summary><b>Instructions for deploying to Heroku (Paid)</b></summary>
 
 ### Step-by-step instructions for deploying to Heroku
 

package.json

@@ -0,0 +1,9 @@
+{
+  "engines": {
+    "node": "18.x"
+  },
+  "devDependencies": {
+    "@prettier/plugin-php": "^0.18.8",
+    "prettier": "^2.6.2"
+  }
+}