Add release notes for v0.1.0

RELEASE.md

@@ -1,9 +1,40 @@
 # Release notes
 
+
+## v0.1.0
+
+This release contains some changes that forces applications that use
+tkey-libs to be updated to work with this release.
+
+Note: It is highly likely that this update will affect the CDI of the
+TKey. It is advised to always verify this for each specific app, for
+every update. If the CDI changes, and it is applicable, it should be
+stated clearly to end users to avoid unknowingly changing the TKey
+identity.
+
+Breaking changes:
+- Check destination buffer's size for read(). To prevent writing
+  outside of destination buffer.
+- Renaming LED-functions to follow led_*().
+
+Changes:
+- New function, secure_wipe(), to clean memory of secret data.
+- New function, touch_wait(). Waits for a touch by the user, with
+  selectable timeout.
+- New function, led_get(). Get the value of the applied LED color.
+- Upgraded Monocypher to 4.0.2.
+- Add variable AR in Makefile to enabling passing llvm-ar from command
+  line.
+- Update example app to use led.h.
+- Minor tweaks and formatting.
+
+Full changelog:
+[v0.0.2...v0.1.0](https://github.com/tillitis/tkey-libs/compare/v0.0.2...v0.1.0)
+
 ## v0.0.2
 
 This release contains some changes that forces applications that use
-TKey-libs to be updated to work with this release.
+tkey-libs to be updated to work with this release.
 
 Breaking changes:
 - Introducing include hierarchy to make it less generic, e.g.,