Update README.md

Author: wengxt

README.md

@@ -2,14 +2,16 @@ Next generation of fcitx
 ==========================
 Fcitx 5 is a generic input method framework released under LGPL-2.1+.
 
+# Resources
+
 [![Jenkins Build Status](https://img.shields.io/jenkins/s/https/jenkins.fcitx-im.org/job/fcitx5.svg)](https://jenkins.fcitx-im.org/job/fcitx5/)
 [![Coverity Scan Status](https://img.shields.io/coverity/scan/9063.svg)](https://scan.coverity.com/projects/fcitx-fcitx5)
 [![Documentation](https://codedocs.xyz/fcitx/fcitx5.svg)](https://codedocs.xyz/fcitx/fcitx5/)
 
 * Wiki: [https://fcitx-im.org/](https://fcitx-im.org/)
   - Registration require explicit approval due to the spam, please send an email to the mail list if you do not get approved.
 * Discussion:
-  - Email: [fcitx [at] googlegroups.com](https://groups.google.com/g/fcitx)
+  - Email: Send email to [fcitx@googlegroups.com](https://groups.google.com/g/fcitx)
   - Github Discussions: [https://github.com/fcitx/fcitx5/discussions](https://github.com/fcitx/fcitx5/discussions)
 * Chat Group:
   - Following methods are all bridged together, you can pick any that works.
@@ -21,5 +23,30 @@ Fcitx 5 is a generic input method framework released under LGPL-2.1+.
 * Translation: [https://explore.transifex.com/fcitx/](https://explore.transifex.com/fcitx/)
   - Do not send pull request for translation updates.
   - The translation will be automatically pushed to git repository nightly, but not vice versa.
+ 
+# Supported platform on Linux and BSD
+X11/Wayland
+
+For using input method under TTY, please check [fbterm](https://github.com/fcitx/fcitx5-fbterm/) or [tmux](https://github.com/wengxt/fcitx5-tmux), not all features are supported.
+ 
+# Quick start for Linux
+[Install Fcitx 5](https://fcitx-im.org/wiki/Install_Fcitx_5)
+
+Looking for Mac or Android?
+[Mac](https://github.com/fcitx-contrib/fcitx5-macos/)
+[Android](https://github.com/fcitx5-android/fcitx5-android)
+ 
+The main package (this repository) only contains keyboard layout engine.
+
+Coressponding input method engines need to be installed to support other languages (e.g. Chinese/Japanese/Korean).
+
+You may find the list of input method engines at [here](https://fcitx-im.org/wiki/Input_method_engines).
+
+# For developers
+[Compiling fcitx5](https://fcitx-im.org/wiki/Compiling_fcitx5)
+
+To write a input method (or addon) from scratch, check [Develop a simple input method](https://fcitx-im.org/wiki/Develop_an_simple_input_method)
+
+# Packaging status
 
 [![Packaging status](https://repology.org/badge/vertical-allrepos/fcitx5.svg)](https://repology.org/project/fcitx5/versions)