add .ssh/config to dotfiles

also fix the install script

dotfiles/.ssh/config

@@ -0,0 +1,9 @@
+Host login.pvv.ntnu.no
+    User frero
+    AddressFamily inet
+
+Host git.pvv.ntnu.no
+    User gitea
+    AddressFamily inet
+    Port 2222
+    ProxyJump login.pvv.ntnu.no

install-dotfiles.nu

@@ -1,23 +1,18 @@
 #!/usr/bin/env nu
 
 let dotfiles = ($env.HOME | path join "nixos-config/dotfiles")
-let config = ($env.HOME | path join ".config")
 
-# iterate over all files in dotfiles/
 glob $"($dotfiles)/**/*" | where ($it | path type) == "file" | each {|file|
     let rel = ($file | str replace $"($dotfiles)/" "")
-    let target = ($config | path join $rel)
+    let target = ($env.HOME | path join $rel)
     let target_dir = ($target | path dirname)
 
-    # ensure parent dir exists
     mkdir $target_dir
 
-    # skip if already correctly symlinked
     if ($target | path type) == "symlink" {
         return
     }
 
-    # back up existing file
     if ($target | path exists) {
         print $"backing up ($target) → ($target).bak"
         mv $target $"($target).bak"