add cross-promo plugin section to READMEs; bump patch (v*.*.+1)

Plugin.php

@@ -51,7 +51,7 @@ class Plugin extends Base
 
     public function getPluginVersion()
     {
-        return '1.5.1';
+        return '1.5.2';
     }
 
     public function getPluginHomepage()

README.md

@@ -94,3 +94,19 @@ These settings are global (per Kanboard instance) and admin-only. Go to
 ## License
 
 AGPL-3.0. See LICENSE.
+
+## More Kanboard plugins by Ruben (drbeco)
+
+All free and AGPL-3.0, at [code.beco.cc](https://code.beco.cc/beco):
+
+- **[RecoReco](https://code.beco.cc/beco/RecoReco)** -- calendar-scheduled recurring cards (yearly,
+  monthly, weekly, daily), driven by the card due date.
+- **[FinanceBuddy](https://code.beco.cc/beco/FinanceBuddy)** -- attach a money value (debit/credit
+  and installments) to cards, shown on the card and totalled per column.
+- **[OrganonTweaks](https://code.beco.cc/beco/OrganonTweaks)** -- an umbrella of small
+  quality-of-life board tweaks: remove an empty column, always show the comment icon, emphasize due
+  dates, extra search keywords and shared board filters, and more.
+- **[BulkMoveTasks](https://code.beco.cc/beco/BulkMoveTasks)** -- move every task from one board
+  column to another in a single action.
+- **[TweakDrag](https://code.beco.cc/beco/TweakDrag)** -- board drag and touch niceties:
+  drag-to-scroll, a wider column gap, and smoother card dragging.

VERSION

@@ -1 +1 @@
-ShrinkVertically v1.5.1
+ShrinkVertically v1.5.2