Changed enums to string

String is easyer to decode and the sendable data in the frontend will be
limited.

migrations/20260422094704_types.down.sql

@@ -1,2 +0,0 @@
-DROP TYPE category;
-DROP TYPE status;

migrations/20260422094704_types.up.sql

@@ -1,2 +0,0 @@
-CREATE TYPE category AS ENUM('Whiteboard Beamer', 'Internet', 'iPad Koffer', 'Apple TV', 'Docu Cam', 'Sonstiges');
-CREATE TYPE status AS ENUM('ToDo', 'InProgress', 'Done', 'Archived');

migrations/20260422094706_ticket_table.sql

@@ -1,10 +1,10 @@
 CREATE TABLE IF NOT EXISTS tickets (
     id INTEGER GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
-    category category NOT NULL DEFAULT 'Sonstiges',
+    category VARCHAR(20) NOT NULL DEFAULT 'Sonstiges',
     betreff VARCHAR(100),
     description TEXT,
     room SMALLINT,
-    status status NOT NULL DEFAULT 'ToDo',
+    status VARCHAR(15) NOT NULL DEFAULT 'ToDo',
     date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     user_id SMALLINT
 );