Merge pull request #3117 from EnterpriseDB/docs/pgd/4/landing-page-cl…

…eanup

PGD: moved compatibility matrix to landing page

product_docs/docs/pgd/4/index.mdx

@@ -1,6 +1,8 @@
 ---
 title: "EDB Postgres Distributed"
 indexCards: none
+redirects:
+- /pgd/4/compatibility_matrix.mdx
 navigation:
   - rel_notes
   - known_issues
@@ -15,7 +17,6 @@ navigation:
   - "#Installing"
   - deployments
   - upgrades
-  - compatibility_matrix
   - "#Using"
   - backup
   - monitoring
@@ -31,4 +32,14 @@ be configured between different nodes, groups of nodes or all nodes by configuri
 [Group Commit](/pgd/latest/overview/bdr/group-commit), [CAMO](/pgd/latest/overview/bdr/camo), or
 [Eager](/pgd/latest/overview/bdr/eager) replication.
 
-![node diagram](images/nodes.png)
+## Compatibility matrix
+
+| BDR  | PGD CLI | HARP  | PostgreSQL | EDB Postgres Extended | EDB Postgres Advanced |
+| ---- | ------- | ----- | ---------- | --------------------- | --------------------- |
+| 4    | 1       | 2     | 12-14      | 12-14                 | 12-14                 |
+| 3.7  |         | 2     | 11-13      | 11-13                 | 11-13                 |
+| 3.6  |         |       | 10-11      | 11                    |                       |
+
+- PGD CLI 1 is supported with BDR 4.1 and later.
+- BDR DCS in HARP 2 is supported with BDR 3.7.15 and later and 4.0.1 and later.
+