Beta Release 0.5.0 (#3)

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Co-authored-by: PayPalServerSDKs <server-sdks@paypal.com>

doc/models/card-brand.md

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+
+# Card Brand
+
+The card network or brand. Applies to credit, debit, gift, and payment cards.
+
+## Enumeration
+
+`CardBrand`
+
+## Fields
+
+| Name |
+|  --- |
+| `VISA` |
+| `MASTERCARD` |
+| `DISCOVER` |
+| `AMEX` |
+| `SOLO` |
+| `JCB` |
+| `STAR` |
+| `DELTA` |
+| `SWITCH_` |
+| `MAESTRO` |
+| `CB_NATIONALE` |
+| `CONFIGOGA` |
+| `CONFIDIS` |
+| `ELECTRON` |
+| `CETELEM` |
+| `CHINA_UNION_PAY` |
+| `DINERS` |
+| `ELO` |
+| `HIPER` |
+| `HIPERCARD` |
+| `RUPAY` |
+| `GE` |
+| `SYNCHRONY` |
+| `EFTPOS` |
+| `UNKNOWN` |
+