Init DB and Tests with Components

- add Artikel, Kauf, Kategorie Model
- generate Components
- playing with custom components
- add Tailwindcss

api/db/migrations/20231105172818_/migration.sql

@@ -0,0 +1,47 @@
+/*
+  Warnings:
+
+  - You are about to drop the `Kauf_Artikel` table. If the table is not empty, all the data it contains will be lost.
+
+*/
+-- DropTable
+PRAGMA foreign_keys=off;
+DROP TABLE "Kauf_Artikel";
+PRAGMA foreign_keys=on;
+
+-- CreateTable
+CREATE TABLE "KaufArtikel" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "kauf_id" INTEGER NOT NULL,
+    "artikel_id" INTEGER NOT NULL,
+    "anzahl" INTEGER NOT NULL,
+    CONSTRAINT "KaufArtikel_kauf_id_fkey" FOREIGN KEY ("kauf_id") REFERENCES "Kauf" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
+    CONSTRAINT "KaufArtikel_artikel_id_fkey" FOREIGN KEY ("artikel_id") REFERENCES "Artikel" ("id") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "Kategorie" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "timestamp" INTEGER NOT NULL,
+    "preis_ges" REAL
+);
+
+-- RedefineTables
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Artikel" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "preis" REAL,
+    "kategorie_id" INTEGER,
+    CONSTRAINT "Artikel_kategorie_id_fkey" FOREIGN KEY ("kategorie_id") REFERENCES "Kategorie" ("id") ON DELETE SET NULL ON UPDATE CASCADE
+);
+INSERT INTO "new_Artikel" ("id", "name", "preis") SELECT "id", "name", "preis" FROM "Artikel";
+DROP TABLE "Artikel";
+ALTER TABLE "new_Artikel" RENAME TO "Artikel";
+CREATE UNIQUE INDEX "Artikel_name_key" ON "Artikel"("name");
+PRAGMA foreign_key_check;
+PRAGMA foreign_keys=ON;
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Kategorie_name_key" ON "Kategorie"("name");