Add Nzema (nzi) and bèrom (bom) languages

Autonym according to Ethnologue.
Nzema (nzi) requested at: https://translatewiki.net/wiki/Thread:Support/A_REQUEST_CREATE_A_WIKIPEDIA_PLATFORM_OR_INTERFACE_MY_LANGUAGE_%27The_Nzema_%27
bèrom (bom) requested at: https://translatewiki.net/wiki/Thread:Support/Support_Berom_language

data/language-data.json

@@ -590,6 +590,13 @@
             ],
             "bunun"
         ],
+        "bom": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "bèrom"
+        ],
         "bo": [
             "Tibt",
             [
@@ -3045,6 +3052,13 @@
             ],
             "Nyungar"
         ],
+        "nzi": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "Nzema"
+        ],
         "oc": [
             "Latn",
             [
@@ -5361,6 +5375,7 @@
             "ee",
             "gur",
             "gaa",
+            "nzi",
             "ha",
             "ff"
         ],