feat: Adds Catppuccin themes (DenverCoder1#537)

Co-authored-by: Jonah Lawrence <[email protected]>

Author: abhishekmj303

docs/themes.md

@@ -125,6 +125,10 @@ Note: Theme names provided are case-insensitive and any use of underscores will
 |       `sunset-gradient`       | ![image](https://user-images.githubusercontent.com/20955511/233865257-3ed2bd35-458b-46bc-a189-57b0c8a2a473.png)  |
 |       `ocean-gradient`        | ![image](https://user-images.githubusercontent.com/20955511/233865264-3bb6c04d-05d2-47b1-857c-3f9a1277651f.png)  |
 |      `ambient-gradient`       | ![image](https://user-images.githubusercontent.com/20955511/233865269-81583e73-c9b6-4e4b-9475-bc130de1bfdd.png)  |
+|      `catppuccin-latte`       | ![image](https://user-images.githubusercontent.com/85760664/248204601-358a8a31-4ffc-4535-a617-840926ecd4f0.png)  |
+|     `catppuccino-frappe`      | ![image](https://user-images.githubusercontent.com/85760664/248204858-daa7bd60-1e83-4b4e-8afc-65644055235e.png)  |
+|    `catppuccino-macchiato`    | ![image](https://user-images.githubusercontent.com/85760664/248205012-15d74ba2-746a-4efd-b2f5-bc2db87b7c10.png)  |
+|      `catppuccino-mocha`      | ![image](https://user-images.githubusercontent.com/85760664/248204228-9f965d12-2013-48c9-b3a8-e9717b1c4e43.png)  |
 
 ### Can't find the theme you like?
 

src/themes.php

@@ -1523,4 +1523,56 @@
         "dates" => "#FFFFFF",
         "excludeDaysLabel" => "#FFFFFF",
     ],
+    "catppuccin-latte" => [
+        "background" => "#EFF1F5",
+        "border" => "#E4E2E2",
+        "stroke" => "#E4E2E2",
+        "ring" => "#179299",
+        "fire" => "#179299",
+        "currStreakNum" => "#8839EF",
+        "sideNums" => "#4C4F69",
+        "currStreakLabel" => "#8839EF",
+        "sideLabels" => "#4C4F69",
+        "dates" => "#5C5F77",
+        "excludeDaysLabel" => "#5C5F77",
+    ],
+    "catppuccin-frappe" => [
+        "background" => "#303446",
+        "border" => "#E4E2E2",
+        "stroke" => "#E4E2E2",
+        "ring" => "#81C8BE",
+        "fire" => "#81C8BE",
+        "currStreakNum" => "#CA9EE6",
+        "sideNums" => "#C6D0F5",
+        "currStreakLabel" => "#CA9EE6",
+        "sideLabels" => "#C6D0F5",
+        "dates" => "#B5BFE2",
+        "excludeDaysLabel" => "#B5BFE2",
+    ],
+    "catppuccin-macchiato" => [
+        "background" => "#24273A",
+        "border" => "#E4E2E2",
+        "stroke" => "#E4E2E2",
+        "ring" => "#8BD5CA",
+        "fire" => "#8BD5CA",
+        "currStreakNum" => "#C6A0F6",
+        "sideNums" => "#CAD3F5",
+        "currStreakLabel" => "#C6A0F6",
+        "sideLabels" => "#CAD3F5",
+        "dates" => "#B8C0E0",
+        "excludeDaysLabel" => "#B8C0E0",
+    ],
+    "catppuccin-mocha" => [
+        "background" => "#1E1E2E",
+        "border" => "#E4E2E2",
+        "stroke" => "#E4E2E2",
+        "ring" => "#94E2D5",
+        "fire" => "#94E2D5",
+        "currStreakNum" => "#CBA6F7",
+        "sideNums" => "#CDD6F4",
+        "currStreakLabel" => "#CBA6F7",
+        "sideLabels" => "#CDD6F4",
+        "dates" => "#BAC2DE",
+        "excludeDaysLabel" => "#BAC2DE",
+    ],
 ];