feat: Added new theme youtube-dark (DenverCoder1#638)

Author: wamikabro

docs/themes.md

@@ -153,6 +153,7 @@ Note: Theme names provided are case-insensitive and any use of underscores will
 |       `whatsapp-light2`       | ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/86386385/45d22825-e71b-42c7-aabf-14f50d47beef) |
 |       `whatsapp-dark2`        | ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/86386385/4b41e537-368f-4f67-a1e6-81ca757ce5f7) |
 |       `travelers-theme`       | ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/20955511/45b0bb8c-fb88-4f2e-ad97-665db6bce4a7) |
+|       `youtube-dark`			| ![image](https://github.com/DenverCoder1/github-readme-streak-stats/assets/62086478/6f774511-2477-46d2-b7bd-de3a57a3ca78) |
 
 ### Can't find the theme you like?
 

src/themes.php

@@ -1887,4 +1887,17 @@
         "dates" => "#F2F2F2",
         "excludeDaysLabel" => "#464646",
     ],
+    "youtube-dark" => [
+        "background" => "#0F0F0F",
+        "border" => "#272727",
+        "stroke" => "#272727",
+        "ring" => "#FFFFFF",
+        "fire" => "#FFFFFF",
+        "currStreakNum" => "#FF0000",
+        "sideNums" => "#FF0000",
+        "currStreakLabel" => "#FFFFFF",
+        "sideLabels" => "#FFFFFF",
+        "dates" => "#BCBCBC",
+        "excludeDaysLabel" => "#FFFFFF",
+    ],
 ];