feat(icons): add foreflight (#1009)

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

tree.json

@@ -579,6 +579,8 @@
         "focalboard.png",
         "foldingathome.png",
         "fontawesome.png",
+        "foreflight-dark.png",
+        "foreflight.png",
         "forgejo.png",
         "forte-light.png",
         "forte.png",
@@ -2594,6 +2596,8 @@
         "focalboard.svg",
         "foldingathome.svg",
         "fontawesome.svg",
+        "foreflight-dark.svg",
+        "foreflight.svg",
         "forgejo.svg",
         "forte-light.svg",
         "forte.svg",
@@ -4442,6 +4446,8 @@
         "focalboard.webp",
         "foldingathome.webp",
         "fontawesome.webp",
+        "foreflight-dark.webp",
+        "foreflight.webp",
         "forgejo.webp",
         "forte-light.webp",
         "forte.webp",