Added ARAB codes

.github/CONTRIBUTING.md

@@ -214,6 +214,7 @@ http://example.com/stream.m3u8
 | [AFR](https://en.wikipedia.org/wiki/Africa)                              | Africa                         |
 | [AMER](https://en.wikipedia.org/wiki/Americas)                           | Americas                       |
 | [APAC](https://en.wikipedia.org/wiki/Asia-Pacific)                       | Asia-Pacific                   |
+| [ARAB](https://en.wikipedia.org/wiki/Arab_world)                         | Arab world                     |
 | [ASIA](https://en.wikipedia.org/wiki/Asia)                               | Asia                           |
 | [CARIB](https://en.wikipedia.org/wiki/Caribbean)                         | Caribbean                      |
 | [EMEA](https://en.wikipedia.org/wiki/Europe,_the_Middle_East_and_Africa) | Europe, Middle East and Africa |

scripts/regions.json

@@ -204,6 +204,33 @@
       "YE"
     ]
   },
+  "ARAB": {
+    "name": "Arab world",
+    "codes": [
+      "AE",
+      "BH",
+      "DJ",
+      "DZ",
+      "EG",
+      "IQ",
+      "JO",
+      "KM",
+      "KW",
+      "LB",
+      "LY",
+      "MA",
+      "MR",
+      "OM",
+      "PS",
+      "QA",
+      "SA",
+      "SD",
+      "SO",
+      "SY",
+      "TN",
+      "YE"
+    ]
+  },
   "ASIA": {
     "name": "Asia",
     "codes": [