[docs] update changeog for v0.12.0 (#602)

Author: tobrun

CHANGELOG.md

@@ -1,3 +1,13 @@
+## 0.12.0, April 12, 2020
+* Update to Mapbox-Android-SDK 9.6.0 [#489](https://github.com/tobrun/flutter-mapbox-gl/pull/489)
+* Update to Mapbox-iOS-SDK 6.3.0 [#513](https://github.com/tobrun/flutter-mapbox-gl/pull/513)
+* Batch creation/removal for circles, fills and lines [#576](https://github.com/tobrun/flutter-mapbox-gl/pull/576)
+* Dependencies: updated image package [#598](https://github.com/tobrun/flutter-mapbox-gl/pull/598)
+* Improve description to enable location features [#596](https://github.com/tobrun/flutter-mapbox-gl/pull/596)
+* Fix feature manager on release build [#593](https://github.com/tobrun/flutter-mapbox-gl/pull/593)
+* Emit onTap only for the feature above the others [#589](https://github.com/tobrun/flutter-mapbox-gl/pull/589)
+* Add annotationOrder to web [#588](https://github.com/tobrun/flutter-mapbox-gl/pull/588)
+
 ## 0.11.0, March 30, 2020
 * Fixed issues caused by new android API [#544](https://github.com/tobrun/flutter-mapbox-gl/pull/544)
 * Add option to set maximum offline tile count [#549](https://github.com/tobrun/flutter-mapbox-gl/pull/549)

mapbox_gl_platform_interface/CHANGELOG.md

@@ -1,3 +1,6 @@
+## 0.12.0, April 12, 2020
+* Batch creation/removal for circles, fills and lines [#576](https://github.com/tobrun/flutter-mapbox-gl/pull/576)
+
 ## 0.11.0, March 30, 2020
 * Add batch mode of screen locations [#554](https://github.com/tobrun/flutter-mapbox-gl/pull/554)
 

mapbox_gl_web/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.12.0, April 12, 2020
+* Dependencies: updated image package [#598](https://github.com/tobrun/flutter-mapbox-gl/pull/598)
+* Fix feature manager on release build [#593](https://github.com/tobrun/flutter-mapbox-gl/pull/593)
+* Emit onTap only for the feature above the others [#589](https://github.com/tobrun/flutter-mapbox-gl/pull/589)
+* Add annotationOrder to web [#588](https://github.com/tobrun/flutter-mapbox-gl/pull/588)
+
 ## 0.11.0, March 30, 2020
 * Fix Mapbox GL JS CSS embedding on web [#551](https://github.com/tobrun/flutter-mapbox-gl/pull/551)
 * Add batch mode of screen locations [#554](https://github.com/tobrun/flutter-mapbox-gl/pull/554)