Update flutter 

2. typos
3. del rename dialog body padding

2. _forceAlwaysRelayAction dismissOnClicked: false.
3. no tcp tunneling on mobile
4. adjust peer tab border on mobile

Optimize flutter

Update android 

feat: windows flutter portable build script

new address_book class; add peer tab onPageChanged

android settings_page.dart add dark mode

opt peer_tab_page search bar, add mobile peer_tab support

Linux, no idea about Mac, need to check with xcode)

opt: flutter_improved_scrolling doc & remove border

opt: use custom scroll feature

opt: more configurable scroll logic & edge size

opt: add support locales

fix chinese version of doc_mac_permission url

fix: place obx correctly