feat(icons): add svelte (#1866)

Co-authored-by: Dashboard Icons Manager <193821040+dashboard-icons-manager[bot]@users.noreply.github.com>

tree.json

@@ -2036,6 +2036,7 @@
         "surveymonkey.png",
         "suwayomi-light.png",
         "suwayomi.png",
+        "svelte.png",
         "swagger.png",
         "swarmpit.png",
         "swift.png",
@@ -4110,6 +4111,7 @@
         "surveymonkey.svg",
         "suwayomi-light.svg",
         "suwayomi.svg",
+        "svelte.svg",
         "swagger.svg",
         "swarmpit.svg",
         "swift.svg",
@@ -6458,6 +6460,7 @@
         "surveymonkey.webp",
         "suwayomi-light.webp",
         "suwayomi.webp",
+        "svelte.webp",
         "swagger.webp",
         "swarmpit.webp",
         "swift.webp",