go mod init, add stubbed funcs

README.md

@@ -2,4 +2,22 @@
 
 JSON, ENV, YAML, TOML
 
+This is a package for collapsing multiple configuration stores (env+json, env+yaml, env+toml) and writing them back to a centralized config.
 
+It should behave similarly to the AutomaticEnv functionality of viper, but without some of the extra heft of the depedendencies it carries.
+
+
+.AutomaticEnv
+.ConfigFileUsed
+.GetDuration
+.GetString
+.GetStringMap
+.GetStringSlice
+.ReadInConfig
+.SetConfigFile
+.SetConfigName
+.SetConfigType
+.SetDefault
+.Set("privkey", string
+viper.ConfigFileNotFoundError); ok {
+.WriteConfig