Add proxy auth

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

internal/config/config.go

@@ -25,6 +25,7 @@ type Config struct {
 		ProjectDir     string `mapstructure:"project_dir"`
 		PluginsDir     string `mapstructure:"plugins_dir"`
 		UpstreamProxy  string `mapstructure:"upstream_proxy"`
+		ProxyAuth      string `mapstructure:"proxy_auth"`
 		MaxBodySizeMB  int    `mapstructure:"max_body_size_mb"`
 		ExternalEditor string `mapstructure:"external_editor"`
 	} `mapstructure:"app"`

internal/config/default_config.yaml

@@ -5,6 +5,7 @@ app:
   project_dir: ~/.local/share/spilltea
   plugins_dir: ~/.config/spilltea/plugins
   upstream_proxy: "" # e.g. http://corporate-proxy:8888 or http://user:pass@host:8888
+  proxy_auth: "" # require basic auth to use the proxy, format: user:pass (empty = disabled)
   max_body_size_mb: 50 # max response body size read into memory for large streamed responses (MB)
   external_editor: "" # override $EDITOR for external editing (e.g. nvim, code --wait)