fix: add ssl_insecure, expand values, edit keybindings, ...

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

internal/config/config.go

@@ -28,6 +28,7 @@ type Config struct {
 		ProxyAuth      string `mapstructure:"proxy_auth"`
 		MaxBodySizeMB  int    `mapstructure:"max_body_size_mb"`
 		ExternalEditor string `mapstructure:"external_editor"`
+		SslInsecure    bool   `mapstructure:"ssl_insecure"`
 	} `mapstructure:"app"`
 
 	TUI struct {
@@ -82,7 +83,12 @@ func Load(path string) error {
 	}
 
 	Global = &Config{}
-	return viper.Unmarshal(Global)
+	if err := viper.Unmarshal(Global); err != nil {
+		return err
+	}
+	Global.App.ProxyAuth = expandEnvValue(Global.App.ProxyAuth)
+	Global.App.UpstreamProxy = expandEnvValue(Global.App.UpstreamProxy)
+	return nil
 }
 
 func WriteDefaultConfig(path string) error {
@@ -106,6 +112,17 @@ func ExpandPath(p string) string {
 	return p
 }
 
+// expandEnvValue replaces a value starting with "$" with the corresponding
+// environment variable, enabling secrets to be kept out of config files.
+func expandEnvValue(s string) string {
+	if len(s) > 1 && s[0] == '$' {
+		if val := os.Getenv(s[1:]); val != "" {
+			return val
+		}
+	}
+	return s
+}
+
 func flatten(prefix string, m map[string]any) map[string]any {
 	out := make(map[string]any)
 	for k, v := range m {