Work on configuration block implementation

- Add support for nanoframework/nf-debugger#173.
- Improve Monitor_UpdateConfiguration command to handle configuration blocks larger then the WP buffer size.
- Add new configuration block to store X509 certificates.
- Tested for STM32.
- **WIP for ESP32**

Signed-off-by: José Simões <jose.simoes@eclo.solutions>

azure-pipelines.yml

@@ -20,7 +20,7 @@ pr:
   branches:
     include:
     - master
-    - develop
+    - develop/*
     - release/*
   autoCancel: true