Add frontend tests and other stuff

backend/sql/version_1.sql

@@ -42,10 +42,21 @@ CREATE TABLE [Recipe] (
     [estimate_time] INTEGER,
     [description] TEXT,
     [servings] INTEGER DEFAULT 4,
+    [is_published] INTEGER NOT NULL DEFAULT FALSE,
 
     FOREIGN KEY([user_id]) REFERENCES [User]([id]) ON DELETE SET NULL
 );
 
+CREATE TABLE [Image] (
+    [Id] INTEGER PRIMARY KEY,
+    [recipe_id] INTEGER NOT NULL,
+    [name] TEXT,
+    [description] TEXT,
+    [image] BLOB,
+
+    FOREIGN KEY([recipe_id]) REFERENCES [Recipe]([id]) ON DELETE CASCADE
+);
+
 CREATE TABLE [RecipeTag] (
     [id] INTEGER PRIMARY KEY,