feat: items-editor (#5)

* format readme

* update logo

* format html

* add logo to docs

* repository for document and document tokens

* add attachments type and repository

* autogenerate types via scripts

* use autogenerated types

* attachment type updates

* add insured and quantity fields for items

* implement HasID interface for entities

* implement label updates for items

* implement service update method

* WIP item update client side actions

* check err on attachment

* finish types for basic items editor

* remove unused var

* house keeping

backend/internal/repo/repo_item_attachments.go

@@ -0,0 +1,44 @@
+package repo
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+	"github.com/hay-kot/content/backend/ent"
+	"github.com/hay-kot/content/backend/ent/attachment"
+)
+
+// AttachmentRepo is a repository for Attachments table that links Items to Documents
+// While also specifying the type of the attachment. This _ONLY_ provides basic Create Update
+// And Delete operations. For accessing the actual documents, use the Items repository since it
+// provides the attachments with the documents.
+type AttachmentRepo struct {
+	db *ent.Client
+}
+
+func (r *AttachmentRepo) Create(ctx context.Context, itemId, docId uuid.UUID, typ attachment.Type) (*ent.Attachment, error) {
+	return r.db.Attachment.Create().
+		SetType(typ).
+		SetDocumentID(docId).
+		SetItemID(itemId).
+		Save(ctx)
+}
+
+func (r *AttachmentRepo) Get(ctx context.Context, id uuid.UUID) (*ent.Attachment, error) {
+	return r.db.Attachment.
+		Query().
+		Where(attachment.ID(id)).
+		WithItem().
+		WithDocument().
+		Only(ctx)
+}
+
+func (r *AttachmentRepo) Update(ctx context.Context, itemId uuid.UUID, typ attachment.Type) (*ent.Attachment, error) {
+	return r.db.Attachment.UpdateOneID(itemId).
+		SetType(typ).
+		Save(ctx)
+}
+
+func (r *AttachmentRepo) Delete(ctx context.Context, id uuid.UUID) error {
+	return r.db.Attachment.DeleteOneID(id).Exec(ctx)
+}