OPEN-104: Update pull request template and ReleaseNotes.md

Author: tobias-schwerdtfeger

.github/pull_request_template.md

@@ -1,4 +1,4 @@
-<!-- Prefer PR titles like: OPEN-123: Short, imperative summary -->
+<!-- PR title: OPEN-123: Short, imperative summary -->
 
 <!-- Summary: What does this PR do? Keep it short. -->
 

ReleaseNotes.md

@@ -27,11 +27,12 @@ This document summarizes the publicly released versions of OpenHealth Core.
 
 ## Change Log
 
-### Latest
+### Upcoming
 
-- Expose exchange-layer card operations (PIN verify/unlock, random/VSD/cert/sign) via FFI.
+- Expose exchange-layer card operations (PIN verify/unlock, random/VSD/cert/sign) via FFI ([#47](https://github.com/gematik/OpenHealth-Core/pull/47)).
+- Document FFI exported APIs ([#47](https://github.com/gematik/OpenHealth-Core/pull/47)).
 
-### 0.0.1-alpha5
+### 0.0.1-alpha5 (Latest)
 
 Added
 - FFI bindings for healthcard ([#18](https://github.com/gematik/OpenHealth-Core/pull/18)).