Replace `pending` in the Version History of BC-001, SA-001, PP-001, MIL-001,
MIL-002 and RC-001 to RC-005 with links to the commits that introduced the rows.
Add the Business Case (BC-001), Stakeholder Analysis (SA-001), Project Plan
(PP-001) and two milestones: MIL-001 Colour Palette and MIL-002 Spot Painting.
Record their reviews as RC-001 to RC-004 (all Go, self-review accepted by S01).
The PO language is English and the domain is IT. The milestones and their 13
tasks are synced as Gitea milestones 68 and 69 and issues #1 to #13.