doc: update README and pubspec.yaml

Signed-off-by: Harry Chen <[email protected]>

README.md

@@ -1,5 +1,6 @@
 # ccid
 
+[![pub version](https://img.shields.io/pub/v/ccid)](https://pub.dev/packages/ccid)
 [![Build Example App](https://github.com/nfcim/ccid/actions/workflows/example-app.yaml/badge.svg)](https://github.com/nfcim/ccid/actions/workflows/example-app.yaml)
 
 A Flutter plugin for reading and writing smart cards using the CCID protocol with PC/SC-like APIs.
@@ -9,4 +10,10 @@ A Flutter plugin for reading and writing smart cards using the CCID protocol wit
 
 ### Linux
 
-This plugin uses `dart_pcsc`, thus has a runtime dependency on `pcsc-lite`: `sudo apt-get install pcscd libpcsclite1`.
+This plugin uses `dart_pcsc`, thus has a runtime dependency on [`PCSCLite`](https://pcsclite.apdu.fr/):
+
+* Debian / Ubuntu: `sudo apt-get install pcscd libpcsclite1`
+* RHEL / Fedora: `sudo dnf install pcsc-lite`
+
+Should you encounter any permission problem, please check [README.polkit](https://github.com/LudovicRousseau/PCSC/blob/master/doc/README.polkit) from PCSCLite.
+

pubspec.yaml

@@ -1,5 +1,5 @@
 name: ccid
-description: "A Flutter plugin for smart card reader using CCID protocol."
+description: "A Flutter plugin for smart card reader using CCID protocol with PC/SC-like APIs."
 version: 0.1.0
 homepage: https://github.com/nfcim/ccid