Add data inventory

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

pkg/coredata/migrations/20250602T225034Z.sql

@@ -0,0 +1,20 @@
+-- Create data table
+CREATE TABLE data (
+    id TEXT PRIMARY KEY,
+    tenant_id TEXT NOT NULL,
+    name TEXT NOT NULL,
+    data_sensitivity data_sensitivity NOT NULL,
+    organization_id TEXT NOT NULL REFERENCES organizations(id) ON DELETE RESTRICT,
+    owner_id TEXT NOT NULL REFERENCES peoples(id) ON DELETE RESTRICT,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    updated_at TIMESTAMP WITH TIME ZONE NOT NULL
+);
+
+-- Create junction table for many-to-many relationship with vendors
+CREATE TABLE data_vendors (
+    datum_id TEXT NOT NULL REFERENCES data(id) ON DELETE CASCADE,
+    vendor_id TEXT NOT NULL REFERENCES vendors(id) ON DELETE CASCADE,
+    tenant_id TEXT NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    PRIMARY KEY (datum_id, vendor_id)
+);