Update SSH URLs to use port 2222 format

Use ssh://git@server:2222/user/repo.git format for non-standard
SSH ports in README and flake.nix examples.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -11,11 +11,11 @@ A NixOS-based system for managing the three types of data in a computer:
 ## Quick Start
 
 ```bash
-# One-command setup from any git server
-nix run 'git+ssh://git@your-server/you/grapho.git'
+# One-command setup from any git server (adjust port if needed)
+nix run 'git+ssh://git@your-server:2222/you/grapho.git'
 
 # Or clone first, then run
-git clone git@your-server:you/grapho.git
+git clone ssh://git@your-server:2222/you/grapho.git
 cd grapho
 nix run .
 ```
@@ -25,8 +25,8 @@ nix run .
 ### First Computer (Initial Setup)
 
 ```bash
-# 1. Clone the repo
-git clone git@your-server:you/grapho.git
+# 1. Clone the repo (use ssh:// format for non-standard ports)
+git clone ssh://git@your-server:2222/you/grapho.git
 cd grapho
 
 # 2. Run setup (one command - includes all dependencies)
@@ -38,7 +38,7 @@ nix run .
 
 # 4. Push config to your git server
 cd ~/.config/usync/config
-git remote add origin git@your-server:you/grapho-config.git
+git remote add origin ssh://git@your-server:2222/you/grapho-config.git
 git push -u origin main
 ```
 
@@ -46,11 +46,11 @@ git push -u origin main
 
 ```bash
 # One command from your git server
-nix run 'git+ssh://git@your-server/you/grapho.git'
+nix run 'git+ssh://git@your-server:2222/you/grapho.git'
 # Choose option [2], enter your git URL and age key
 
 # Or non-interactively:
-git clone git@your-server:you/grapho.git && cd grapho
+git clone ssh://git@your-server:2222/you/grapho.git && cd grapho
 nix run . -- <config-git-url> <your-age-key>
 ```
 
@@ -78,7 +78,7 @@ Add to your flake.nix inputs, then import the module:
 
 ```nix
 {
-  inputs.grapho.url = "git+ssh://git@your-server/you/grapho.git";
+  inputs.grapho.url = "git+ssh://git@your-server:2222/you/grapho.git";
 
   # In your configuration:
   imports = [ inputs.grapho.nixosModules.default ];

flake.nix

@@ -105,7 +105,7 @@
                 else
                   echo "Error: Cannot find setup script"
                   echo "Run from the repo directory, or clone it first:"
-                  echo "  git clone git@your-server:you/grapho.git"
+                  echo "  git clone ssh://git@your-server:2222/you/grapho.git"
                   exit 1
                 fi
               fi