docs: relocated commerce properties to new section

Author: ethanneff

README.md

@@ -48,6 +48,7 @@
   - [Testing: Sample Test App](#testing-sample-test-app)
   - [Link Data: Universal Object Properties](#link-data-universal-object-properties)
   - [Link Data: Deep Link Properties](#link-data-deep-link-properties)
+  - [Link Data: Commerce Properties](#link-data-commerce-properties)
   - [Compiling: Cordova Dependencies](#compiling-cordova-dependencies)
   - [Compiling: Show Console Logs](#compiling-show-console-logs)
   - [Compiling: Updating the Branch SDK](#compiling-updating-the-branch-sdk)
@@ -477,7 +478,7 @@
 
 - #### Track Event
 
-  - Registers custom events
+  - Registers a custom event
 
   - Events named `open`, `close`, `install`, and `referred session` are Branch restricted
 
@@ -506,17 +507,19 @@
 
 - #### Track Commerce
 
-  - Registers custom commerce events
+  - Registers a custom commerce event
 
   - Recommended to [Track User](#track-user) before [Track Commerce](#track-commerce) to associate commerce events with a user
+
+  - [Track commerce properties](#link-data-commerce-properties) for `Currency` and `Category` 
 
   - Verify on the [Branch Dashboard](https://dashboard.branch.io/liveview/commerce)
 
     ```js
     // only revenue is required
     var event = {
       'revenue': 50.29,
-      'currency': 'USD',
+      'currency': 148, // USD
       'transactionID': 'transaction id',
       'coupon': 'coupon',
       'shipping': 2.22,
@@ -529,7 +532,7 @@
           'price': 4.99,
           'quantity': 2,
           'brand': 'brand',
-          'category': 1,
+          'category': 17, // Software
           'variant': 'variant'
         },
         {
@@ -540,7 +543,7 @@
         }
       ]
     }
-    
+
     // optional fields
     var metadata = {
       'custom_dictionary': 123,
@@ -556,30 +559,6 @@
     })
     ```
 
-    | Value | Category |
-    | :-: | --- |
-    | 0 | AnimalSupplies |
-    | 1 | Apparel |
-    | 2 | ArtsEntertainment |
-    | 3 | BabyToddler |
-    | 4 | BusinessIndustrial |
-    | 5 | CamerasOptics |
-    | 6 | Electronics |
-    | 7 | FoodBeverageTobacco |
-    | 8 | Furniture |
-    | 9 | Hardware |
-    | 10 | HealthBeauty |
-    | 11 | HomeGarden |
-    | 12 | LuggageBags |
-    | 13 | Mature |
-    | 14 | Media |
-    | 15 | OfficeSupplies |
-    | 16 | Religious |
-    | 17 | Software |
-    | 18 | SportingGoods |
-    | 19 | ToysGames |
-    | 20 | VehiclesParts |
-
 - #### Handle Referrals
 
   - Referral points are obtained from events triggered by users from rules created on the [Branch Dashboard](https://dashboard.branch.io/referrals/rules)
@@ -871,6 +850,215 @@
       | $twitter_player_width | | Set the player’s width in pixels
       | $twitter_player_height | | Set the player’s height in pixels
 
+- #### Link Data: Commerce Properties
+  
+    - For [Track Commerce](#track-commerce)
+
+    | Value | Category |
+    | --- | --- |
+    | 0 | Animals & Pet Supplies |
+    | 1 | Apparel & Accessories |
+    | 2 | Arts & Entertainment |
+    | 3 | Baby & Toddler |
+    | 4 | Business & Industrial |
+    | 5 | Camera & Optics |
+    | 6 | Electronics |
+    | 7 | Food, Beverage & Tobacco |
+    | 8 | Furniture |
+    | 9 | Hardware |
+    | 10 | Health & Beauty |
+    | 11 | Home & Garden |
+    | 12 | Luggage & Bags |
+    | 13 | Mature |
+    | 14 | Media |
+    | 15 | Office Supplies |
+    | 16 | Religious & Ceremonial |
+    | 17 | Software |
+    | 18 | Sporting Goods |
+    | 19 | Toys & Games |
+    | 20 | Vehicles & Parts |
+
+    | Value | Currency  |
+    | --- | --- |
+    | 0 | AED | 
+    | 1 | AFN | 
+    | 2 | ALL | 
+    | 3 | AMD | 
+    | 4 | ANG | 
+    | 5 | AOA | 
+    | 6 | ARS | 
+    | 7 | AUD | 
+    | 8 | AWG | 
+    | 9 | AZN | 
+    | 10 | BAM | 
+    | 11 | BBD | 
+    | 12 | BDT | 
+    | 13 | BGN | 
+    | 14 | BHD | 
+    | 15 | BIF | 
+    | 16 | BMD | 
+    | 17 | BND | 
+    | 18 | BOB | 
+    | 19 | BOV | 
+    | 20 | BRL | 
+    | 21 | BSD | 
+    | 22 | BTN | 
+    | 23 | BWP | 
+    | 24 | BYN | 
+    | 25 | BYR | 
+    | 26 | BZD | 
+    | 27 | CAD | 
+    | 28 | CDF | 
+    | 29 | CHE | 
+    | 30 | CHF | 
+    | 31 | CHW | 
+    | 32 | CLF | 
+    | 33 | CLP | 
+    | 34 | CNY | 
+    | 35 | COP | 
+    | 36 | COU | 
+    | 37 | CRC | 
+    | 38 | CUC | 
+    | 39 | CUP | 
+    | 40 | CVE | 
+    | 41 | CZK | 
+    | 42 | DJF | 
+    | 43 | DKK | 
+    | 44 | DOP | 
+    | 45 | DZD | 
+    | 46 | EGP | 
+    | 47 | ERN | 
+    | 48 | ETB | 
+    | 49 | EUR | 
+    | 50 | FJD | 
+    | 51 | FKP | 
+    | 52 | GBP | 
+    | 53 | GEL | 
+    | 54 | GHS | 
+    | 55 | GIP | 
+    | 56 | GMD | 
+    | 57 | GNF | 
+    | 58 | GTQ | 
+    | 59 | GYD | 
+    | 60 | HKD | 
+    | 61 | HNL | 
+    | 62 | HRK | 
+    | 63 | HTG | 
+    | 64 | HUF | 
+    | 65 | IDR | 
+    | 66 | ILS | 
+    | 67 | INR | 
+    | 68 | IQD | 
+    | 69 | IRR | 
+    | 70 | ISK | 
+    | 71 | JMD | 
+    | 72 | JOD | 
+    | 73 | JPY | 
+    | 74 | KES | 
+    | 75 | KGS | 
+    | 76 | KHR | 
+    | 77 | KMF | 
+    | 78 | KPW | 
+    | 79 | KRW | 
+    | 80 | KWD | 
+    | 81 | KYD | 
+    | 82 | KZT | 
+    | 83 | LAK | 
+    | 84 | LBP | 
+    | 85 | LKR | 
+    | 86 | LRD | 
+    | 87 | LSL | 
+    | 88 | LYD | 
+    | 89 | MAD | 
+    | 90 | MDL | 
+    | 91 | MGA | 
+    | 92 | MKD | 
+    | 93 | MMK | 
+    | 94 | MNT | 
+    | 95 | MOP | 
+    | 96 | MRO | 
+    | 97 | MUR | 
+    | 98 | MVR | 
+    | 99 | MWK | 
+    | 100 | MXN | 
+    | 101 | MXV | 
+    | 102 | MYR | 
+    | 103 | MZN | 
+    | 104 | NAD | 
+    | 105 | NGN | 
+    | 106 | NIO | 
+    | 107 | NOK | 
+    | 108 | NPR | 
+    | 109 | NZD | 
+    | 110 | OMR | 
+    | 111 | PAB | 
+    | 112 | PEN | 
+    | 113 | PGK | 
+    | 114 | PHP | 
+    | 115 | PKR | 
+    | 116 | PLN | 
+    | 117 | PYG | 
+    | 118 | QAR | 
+    | 119 | RON | 
+    | 120 | RSD | 
+    | 121 | RUB | 
+    | 122 | RWF | 
+    | 123 | SAR | 
+    | 124 | SBD | 
+    | 125 | SCR | 
+    | 126 | SDG | 
+    | 127 | SEK | 
+    | 128 | SGD | 
+    | 129 | SHP | 
+    | 130 | SLL | 
+    | 131 | SOS | 
+    | 132 | SRD | 
+    | 133 | SSP | 
+    | 134 | STD | 
+    | 135 | SYP | 
+    | 136 | SZL | 
+    | 137 | THB | 
+    | 138 | TJS | 
+    | 139 | TMT | 
+    | 140 | TND | 
+    | 141 | TOP | 
+    | 142 | TRY | 
+    | 143 | TTD | 
+    | 144 | TWD | 
+    | 145 | TZS | 
+    | 146 | UAH | 
+    | 147 | UGX | 
+    | 148 | USD | 
+    | 149 | USN | 
+    | 150 | UYI | 
+    | 151 | UYU | 
+    | 152 | UZS | 
+    | 153 | VEF | 
+    | 154 | VND | 
+    | 155 | VUV | 
+    | 156 | WST | 
+    | 157 | XAF | 
+    | 158 | XAG | 
+    | 159 | XAU | 
+    | 160 | XBA | 
+    | 161 | XBB | 
+    | 162 | XBC | 
+    | 163 | XBD | 
+    | 164 | XCD | 
+    | 165 | XDR | 
+    | 166 | XFU | 
+    | 167 | XOF | 
+    | 168 | XPD | 
+    | 169 | XPF | 
+    | 170 | XPT | 
+    | 171 | XSU | 
+    | 172 | XTS | 
+    | 173 | XUA | 
+    | 174 | XXX | 
+    | 175 | YER | 
+    | 176 | ZAR | 
+    | 177 | ZMW | 
+
 - #### Compiling: Cordova Dependencies
 
   - Node