Add compatibility matrix to README

FAQ.md

@@ -39,5 +39,7 @@ Thus this warning will be resolved with Camunda 7.13.
    4. Release version to Maven Central by selecting the repository and clicking on "Release"
 4. Check Maven Central
    1. The new release should appear on https://search.maven.org/search?q=micronaut-camunda-bpm-feature after a few minutes
-   2. Update README.md to include the new version of the dependency for Gradle and Maven.
+   2. Update README.md
+      1. Dependencies for Gradle and Maven
+      2. Compatibility Matrix 
    3. That's all :-) There is no need to update the version in the project. It will stay at 0.0.1-SNAPSHOT.

README.md

@@ -123,3 +123,15 @@ You may use the following properties (typically in application.yml) to configure
 |                      | .driver-class-name | org.h2.Driver                              | Driver for database    |
 | camunda.bpm          | .history-level   | auto                                         | Camunda history level, use one of [`full`, `audit`, `activity`, `none`, `auto`]. `auto` uses the level already present in the database, defaulting to `full`. |
 | camunda.bpm.database | .schema-update   | true                                         | If automatic schema update should be applied, use one of [`true`, `false`, `create`, `create-drop`, `drop-create`] |
+
+## Compatibility Matrix
+
+The following compatibility matrix shows the officially supported Micronaut and Camunda BPM versions for each release.
+Other combinations will probably also work but have not been tested.  
+
+| Release |Micronaut | Camunda BPM |
+|-------|-------|--------|
+| 0.2.2 | 1.3.3 | 7.12.0 |
+| 0.2.1 | 1.3.3 | 7.12.0 |
+| 0.2.0 | 1.3.3 | 7.12.0 |
+| 0.1.0 | 1.3.3 | 7.12.0 |