Implement markerline display

app/build.gradle.kts

...schku/quasseldroid_ng/ui/chat/BufferViewConfigFragment.kt

...va/de/kuschku/quasseldroid_ng/ui/chat/FormattedMessage.kt

...java/de/kuschku/quasseldroid_ng/ui/chat/MessageAdapter.kt

...de/kuschku/quasseldroid_ng/ui/chat/MessageListFragment.kt

...ava/de/kuschku/quasseldroid_ng/ui/chat/MessageRenderer.kt

...kuschku/quasseldroid_ng/ui/chat/QuasselMessageRenderer.kt

...schku/quasseldroid_ng/ui/chat/QuasselMessageViewHolder.kt

...ava/de/kuschku/quasseldroid_ng/ui/chat/ToolbarFragment.kt

.../de/kuschku/quasseldroid_ng/util/helper/LiveDataHelper.kt

app/src/main/res/layout/widget_chatmessage_action.xml

app/src/main/res/layout/widget_chatmessage_error.xml

app/src/main/res/layout/widget_chatmessage_info.xml

app/src/main/res/layout/widget_chatmessage_notice.xml

app/src/main/res/layout/widget_chatmessage_placeholder.xml

app/src/main/res/layout/widget_chatmessage_plain.xml

app/src/main/res/layout/widget_chatmessage_server.xml

app/src/main/res/values/attrs.xml

app/src/main/res/values/themes_quassel.xml

lib/build.gradle.kts