Prepare for release v0.2.1

wiki/install.md

@@ -5,7 +5,7 @@ For now, please manually install the binaries from the [latest release](https://
 
 Additionally, MUTN is available as a source package ("[mutn](https://aur.archlinux.org/packages/mutn)") on the AUR.
 
-Please note that the server binary must be called "libmuttonserver" in order for clients to successfully reach it.
+Please note that the server binary (available in [libmutton releases](https://github.com/rwinkhart/libmutton/releases)) must be called "libmuttonserver" in order for clients to successfully reach it.
 
 After placing the binaries in your $PATH, it is highly recommended to also download and correctly place/source the relevant [shell completions scripts](https://github.com/rwinkhart/MUTN/blob/main/wiki/completions.md).
 

wiki/usage.md

@@ -8,7 +8,7 @@ libmutton operates on a client-server model, and thus sync support requires you
 
 For security reasons, libmutton deliberately does not support password-based SSH authentication; you must use key-based authentication to connect to your server (password-protected keys are also supported). You are responsible for setting up SSH connectivity on your own.
 
-The libmutton server software is shipped as its own dedicated binary and must be installed on the server and configured with `libmuttonserver init`. The server binary _**MUST**_ be in your $PATH and _**MUST**_ be named "libmuttonserver" for clients to successfully reach it.
+The libmutton server software is shipped as its own dedicated binary (in [libmutton releases](https://github.com/rwinkhart/libmutton/releases)) and must be installed on the server and configured with `libmuttonserver init`. The server binary _**MUST**_ be in your $PATH and _**MUST**_ be named "libmuttonserver" for clients to successfully reach it.
 
 Once this has been done, you may proceed with the client setup:
 1. Install MUTN