update readme

README.md

@@ -6,14 +6,20 @@
 This library aims to provide building blocks for downstreams libraries working with BGP and MRT
 messages such as MRT parser or BGP table constructor.
 
+## Minimum Supported Rust Version
+
+`1.46.0`
+
 ## Supported RFCs
 
 Most of the structs defined in this library are named after the formal definitions in a number of
 RFCs. Here is a list of them:
 
 ### BGP
 - [X] [RFC 4271](https://datatracker.ietf.org/doc/html/rfc4271): A Border Gateway Protocol 4 (BGP-4)
+- [X] [RFC 5065](https://datatracker.ietf.org/doc/html/rfc5065): Autonomous System Confederations for BGP
 - [X] [RFC 6793](https://datatracker.ietf.org/doc/html/rfc6793): BGP Support for Four-Octet Autonomous System (AS) Number Space
+- [X] [RFC 7911](https://datatracker.ietf.org/doc/html/rfc7911): Advertisement of Multiple Paths in BGP (ADD-PATH)
 
 ### MRT
 
@@ -26,25 +32,13 @@ RFCs. Here is a list of them:
 #### Communities
 
 - [X] [RFC 1977](https://datatracker.ietf.org/doc/html/rfc1977): BGP Communities Attribute
-
-#### Extended Communities
-
 - [X] [RFC 4360](https://datatracker.ietf.org/doc/html/rfc4360): BGP Extended Communities Attribute
 - [X] [RFC 5668](https://datatracker.ietf.org/doc/html/rfc5668): 4-Octet AS Specific BGP Extended Community
 - [X] [RFC 5701](https://datatracker.ietf.org/doc/html/rfc5701): IPv6 Address Specific BGP Extended Community Attribute
 - [X] [RFC 7153](https://datatracker.ietf.org/doc/html/rfc7153): IANA Registries for BGP Extended Communities Updates 4360, 5701
 - [X] [RFC 8097](https://datatracker.ietf.org/doc/html/rfc8097): BGP Prefix Origin Validation State Extended Community
-
-#### Large Communities
-
 - [X] [RFC 8092](https://datatracker.ietf.org/doc/html/rfc8092): BGP Large Communities
 
-#### Other Informational
-
-- [RFC 4384](https://datatracker.ietf.org/doc/html/rfc4384): BGP Communities for Data Collection BCP 114
-- [RFC 8195](https://datatracker.ietf.org/doc/html/rfc8195): Use of BGP Large Communities (informational)
-- [RFC 8642](https://datatracker.ietf.org/doc/html/rfc8642): Policy Behavior for Well-Known BGP Communities
-
 ## Used By
 
 - [bgpkit-parser](https://github.com/bgpkit/bgpkit-parser)