tag required fields in the readme

Author: biodunalfet

README.md

@@ -58,20 +58,20 @@ Set the public key, private key and other required parameters. The `RavePayManag
                         .setMeta(List<Meta>)
                         .withTheme(styleId)
                         .initialize();
-* `setAmount()` - This is the amount to be charged from card/account. `double`
-* `setCountry()` - This is the route country for the transaction with respect to the currency. `String`
-* `setCurrency` - This is the specified currency to charge the card in. `String`
-* `setEmail()` - This is the email address of the customer. `String`
-* `setfName()` - This is the first name of the card holder or the customer. `String`
-* `setlName()` - This is the last name of the card holder or the customer. `String`
+* `setAmount()` - This is the amount to be charged from card/account. `double` - `[Required]`. If `amount` is not specified, the user is presented with a field in the UI to enter the amount. However if specified, the amount field is hidden
+* `setCountry()` - This is the route country for the transaction with respect to the currency. `String` - `[Required]`
+* `setCurrency` - This is the specified currency to charge the card in. `String` - `[Required]`
+* `setEmail()` - This is the email address of the customer. `String` - `[Required]`
+* `setfName()` - This is the first name of the card holder or the customer. `String` - `[Required]`
+* `setlName()` - This is the last name of the card holder or the customer. `String` - `[Required]`
 * `setNarration()` - This is a custom description added by the merchant. `String`
-* `setPublicKey()` - Merchant's public key `String`
-* `setSecretKey()` - Merchant's secret key `String`
-* `setTxRef()` - This is the unique reference, unique to the particular transaction being carried out. It is generated by the merchant for every transaction `String`
+* `setPublicKey()` - Merchant's public key `String` - `[Required]`
+* `setSecretKey()` - Merchant's secret key `String` - `[Required]`
+* `setTxRef()` - This is the unique reference, unique to the particular transaction being carried out. It is generated by the merchant for every transaction `String` - `[Required]`
 * `acceptAccountPayments()` - Set to `true` if you want to accept payments via bank accounts, else set to false. `boolean`. Defaults to `true`
 * `acceptCardPayments()` - Set to `true` if you want to accept payments via cards, else set to `false`. `boolean`. Defaults to `true`
 * `onStagingEnv()` - Set to `true` if you want your transactions to run in the staging environment otherwise set to `false`. Defaults to `false`
-* `allowSaveCardFeature` - Set to `true` if you want your users to be able to save their cards for later reuse otherwise set to `false`.
+* `allowSaveCardFeature` - Set to `true` if you want your users to be able to save their cards for later reuse otherwise set to `false`. - `[Required]`
 * `setMeta()` - Pass in any other custom data you wish to pass. It takes in a `List` of `Meta` objects
 * `withTheme()` - Sets the theme of the UI. `int`
 * `initialize` - Launch the Rave Payment UI