Move accountant into world

pkg/accounts/accounts.go

@@ -0,0 +1,28 @@
+package accounts
+
+// Accountant decribes something that stores accounts and account values
+type Accountant interface {
+	// RegisterAccount will register a new account and return it's info
+	RegisterAccount(name string) (acc Account, err error)
+
+	// AssignData stores a custom account key value pair
+	AssignData(account string, key string, value string) error
+
+	// GetValue returns custom account data for a specific key
+	GetValue(account string, key string) (string, error)
+
+	// VerifySecret will verify whether the account secret matches with the
+	VerifySecret(account string, secret string) (bool, error)
+
+	// GetSecret gets the secret associated with an account
+	GetSecret(account string) (string, error)
+}
+
+// Account represents a registered user
+type Account struct {
+	// Name simply describes the account and must be unique
+	Name string
+
+	// Data represents internal account data
+	Data map[string]string
+}