Add Bole (bol) and Karekare (kai)

Both were recently added to translatewiki.

Bole autonym according to the review article
Schuh, Russell G. (October 1996).
"Dymitr Ibriszimow and Alhaji Maina Gimba (ed.):
Bole language and documentation Unit (BOLDU), Report I."
Bulletin of the School of Oriental and African Studies. 59 (3): 620–621.

Karekare autonym according to the book
"Dindeno, asumka waɗo mabo Karai-karai"
Yobe Languages Research Project 2009
https://ucla.app.box.com/s/xvpgk2ecl73nwnjyyo7g80fsr96mtsbz

data/langdb.yaml

@@ -106,6 +106,7 @@ languages:
   bn: [Beng, [AS], বাংলা]
   bnn: [Latn, [AS], bunun]
   bo: [Tibt, [AS], བོད་ཡིག]
+  bol: [Latn, [AF], bòo pìkkà]
   bom: [Latn, [AF], bèrom]
   bpy: [Beng, [AS], বিষ্ণুপ্রিয়া মণিপুরী]
   bqi: [Arab, [AS, ME], بختیاری]
@@ -344,6 +345,7 @@ languages:
  # Can also be Tfng, but the Wikipedia is mostly Latn
   kab: [Latn, [AF, EU], Taqbaylit]
   kac: [Latn, [AS], Jinghpaw]
+  kai: [Latn, [AF], Karai-karai]
   kam: [Latn, [AF], kĩkamba]
   kbd: [Cyrl, [EU, ME], адыгэбзэ]
   kbd-cyrl: [kbd]

data/language-data.json

@@ -638,6 +638,13 @@
             ],
             "བོད་ཡིག"
         ],
+        "bol": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "bòo pìkkà"
+        ],
         "bom": [
             "Latn",
             [
@@ -2115,6 +2122,13 @@
             ],
             "Jinghpaw"
         ],
+        "kai": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "Karai-karai"
+        ],
         "kam": [
             "Latn",
             [