docs: Update repo descriptions

[XavierChanth]

Update the repo descriptions for all the repos pinned in the profile readme.

Proposed descriptions:

sshnoports	SSH to any device with no ports open
atmosphere_pro	A fully end-to-end encrypted, cross-platform file sharing app
at_server	The software implementation of Atsign’s core technology
at_client_sdk	The dart implementation of the atClient sdk used for implementing Atsign’s technology into other software
at_libraries	Supporting libraries & dependencies for Atsign’s technology
at_widgets	Flutter widgets which aid in building applications using Atsign’s technology
at_protocol	The open source repository for the atProtocol specification and supporting documentation
docs	The open source documentation for Atsign’s core technology
at_demos	Various demos of Atsign’s technology in action
at_tools	Various developer tools for use when developing with Atsign’s technology
at_app	A command-line app generator for developing Flutter apps which use Atsign’s technology
dess	The distributed edge secondary server (dess) - the self-hosted at_server installer

[XavierChanth]

Awaiting approval before I make the changes