5.20.0 release notes: added boilerplate

release-notes.md

@@ -15,6 +15,18 @@ Other resources for identifying changes are:
     * https://github.com/civicrm/civicrm-joomla
     * https://github.com/civicrm/civicrm-wordpress
 
+## CiviCRM 5.21.0
+
+Released January 1, 2020
+
+- **[Synopsis](release-notes/5.21.0.md#synopsis)**
+- **[Security advisories](release-notes/5.21.0.md#security)**
+- **[Features](release-notes/5.21.0.md#features)**
+- **[Bugs resolved](release-notes/5.21.0.md#bugs)**
+- **[Miscellany](release-notes/5.21.0.md#misc)**
+- **[Credits](release-notes/5.21.0.md#credits)**
+- **[Feedback](release-notes/5.21.0.md#feedback)**
+
 ## CiviCRM 5.20.0
 
 Released December 4, 2019

release-notes/5.21.0.md

 # CiviCRM 5.21.0
 
-Released January 8, 2020;
+Released January 1, 2020
 
+- **[Synopsis](#synopsis)**
 - **[Features](#features)**
 - **[Bugs resolved](#bugs)**
 - **[Miscellany](#misc)**
 - **[Credits](#credits)**
+- **[Feedback](#feedback)**
+
+## <a name="synopsis"></a>Synopsis
+
+| *Does this version...?*                                         |         |
+|:--------------------------------------------------------------- |:-------:|
+| Fix security vulnerabilities?                                   |         |
+| Change the database schema?                                     |         |
+| Alter the API?                                                  |         |
+| Require attention to configuration options?                     |         |
+| Fix problems installing or upgrading to a previous version?     |         |
+| Introduce features?                                             |         |
+| Fix bugs?                                                       |         |
 
 ## <a name="features"></a>Features
 
@@ -398,4 +412,10 @@ AGH Strategies - Andrew Hunt; Agileware - Justin Freeman; Australian Greens - Se
 Most authors also reviewed code for this release; in addition, the following
 reviewers contributed their comments:
 
-AGH Strategies - Alice Frumin; Agileware - Justin Freeman; Artful Robot - Rich Lott; Australian Greens - Seamus Lee; Chris Burgess; Christian Wach; Circle Interactive - Dave Jenkins; civibot[bot]; civicrm-builder; CiviCRM - Coleman Watts, Tim Otten; CiviDesk - Yashodha Chaku; Coop SymbioTIC - Mathieu Lutfy; Dave D; Electronic Frontier Foundation - Mark Burdett; Fuzion - Jitendra Purohit; jamie-tillman; JMA Consulting - Monish Deb; John Kingsnorth; Joost Fock; lolaslade; Megaphone Technology Consulting - Jon Goldberg; MJCO - Mikey O'Toole; MJW Consulting - Matthew Wire; revati90; Richard van Oosterhout; Tadpole Collective - Kevin Cristiano; Wikimedia Foundation - Eileen McNaughton
\ No newline at end of file
+AGH Strategies - Alice Frumin; Agileware - Justin Freeman; Artful Robot - Rich Lott; Australian Greens - Seamus Lee; Chris Burgess; Christian Wach; Circle Interactive - Dave Jenkins; civibot[bot]; civicrm-builder; CiviCRM - Coleman Watts, Tim Otten; CiviDesk - Yashodha Chaku; Coop SymbioTIC - Mathieu Lutfy; Dave D; Electronic Frontier Foundation - Mark Burdett; Fuzion - Jitendra Purohit; jamie-tillman; JMA Consulting - Monish Deb; John Kingsnorth; Joost Fock; lolaslade; Megaphone Technology Consulting - Jon Goldberg; MJCO - Mikey O'Toole; MJW Consulting - Matthew Wire; revati90; Richard van Oosterhout; Tadpole Collective - Kevin Cristiano; Wikimedia Foundation - Eileen McNaughton
+
+## <a name="feedback"></a>Feedback
+
+These release notes are edited by Alice Frumin and Andrew Hunt.  If you'd like
+to provide feedback on them, please log in to https://chat.civicrm.org/civicrm
+and contact `@agh1`.