custom icons fully implemented for collections

prisma/migrations/20240820230618_add_default_value_for_collection_color/migration.sql

@@ -0,0 +1,9 @@
+/*
+  Warnings:
+
+  - Made the column `color` on table `Collection` required. This step will fail if there are existing NULL values in that column.
+
+*/
+-- AlterTable
+ALTER TABLE "Collection" ALTER COLUMN "color" SET NOT NULL,
+ALTER COLUMN "color" SET DEFAULT '#0ea5e9';