Add vendor services

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/migrations/20250818T152559Z.sql

@@ -0,0 +1,15 @@
+CREATE TABLE vendor_services (
+    id TEXT PRIMARY KEY,
+    tenant_id TEXT NOT NULL,
+    vendor_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    description TEXT,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL,
+
+    CONSTRAINT vendor_services_vendor_id_fkey
+        FOREIGN KEY (vendor_id)
+        REFERENCES vendors(id)
+        ON UPDATE CASCADE
+        ON DELETE CASCADE
+);