Add Unity VC Docs (#1026)

Author: fire-at-will

code_blocks/virtual-currency/vc-balance-unity.cs

@@ -0,0 +1,22 @@
+// Fetch virtual currencies
+purchases.GetVirtualCurrencies((virtualCurrencies, error) =>
+{
+    // TODO: Handle virtual currencies & error
+});
+
+// Get the details of a specific virtual currency
+var virtualCurrency = virtualCurrencies.All[<virtual_currency_code>];
+var balance = virtualCurrency.Balance;
+var name = virtualCurrency.Name;
+var code = virtualCurrency.Code;
+
+// Keep in mind that serverDescription may be null if no description was provided
+// in the RevenueCat dashboard
+var serverDescription = virtualCurrency.ServerDescription;
+
+// Iterate through all virtual currencies
+foreach (var keyValuePair in virtualCurrencies.All) {
+    var virtualCurrencyCode = keyValuePair.Key;
+    var vc = keyValuePair.Value;
+    Debug.Log($"{virtualCurrencyCode}: {vc.Balance}");
+}

docs/offerings/virtual-currency.mdx

@@ -100,6 +100,7 @@ import fetchVCBalancesJava from "@site/code_blocks/virtual-currency/vc-balance-s
 import fetchVCBalancesReactNative from "@site/code_blocks/virtual-currency/vc-balance-sdk-react-native.ts?raw";
 import fetchVCBalancesFlutter from "@site/code_blocks/virtual-currency/vc-balance-sdk-flutter.dart?raw";
 import fetchVCBalancesCapacitor from "@site/code_blocks/virtual-currency/virtual-currency-balance-capacitor.ts?raw";
+import fetchVCBalancesUnity from "@site/code_blocks/virtual-currency/vc-balance-unity.cs?raw";
 
 Fetching virtual currency balances is supported in the following SDK versions:
 
@@ -110,6 +111,7 @@ Fetching virtual currency balances is supported in the following SDK versions:
 | React Native SDK | 9.1.0+             |
 | Flutter SDK      | 9.1.0+             |
 | Capacitor SDK    | 11.1.0+            |
+| Unity SDK        | 8.1.0+             |
 
 You can use the `virtualCurrencies()` function to retrieve a customer's balance. The function returns a `VirtualCurrencies` object, which includes the customer's balances along with each virtual currency's metadata.
 
@@ -145,6 +147,11 @@ You can use the `virtualCurrencies()` function to retrieve a customer's balance.
       title: "Capacitor",
       content: fetchVCBalancesCapacitor,
     },
+    { 
+      type: "unity", 
+      content: fetchVCBalancesUnity, 
+      name: "Unity" 
+    },
   ]}
 />