Add Acholi (ach) and Lango (laj) (#389)

Downstream tasks:
https://phabricator.wikimedia.org/T376054
https://phabricator.wikimedia.org/T376060

data/langdb.yaml

@@ -7,6 +7,7 @@ languages:
   abs: [Latn, [AS], Bahasa Ambon]
   ace: [Latn, [AS, PA], Acèh]
   acf: [Latn, [AM], Kwéyòl Sent Lisi]
+  ach: [Latn, [AF], Acoli]
   acm: [Arab, [ME], عراقي]
   acq: [Arab, [ME, AF], تعزية-عدنية]
   ada: [Latn, [AF], Dangme]
@@ -441,6 +442,7 @@ languages:
   lad-hebr: [Hebr, [ME, EU, AM], לאדינו]
   lad-latn: [Latn, [ME, EU, AM], Ladino]
   lag: [Latn, [AF], Kilaangi]
+  laj: [Latn, [AF], Lëblaŋo]
   lb: [Latn, [EU], Lëtzebuergesch]
   lbe: [Cyrl, [EU], лакку]
   ldn: [Latn, [WW], Láadan]

data/language-data.json

@@ -57,6 +57,13 @@
             ],
             "Kwéyòl Sent Lisi"
         ],
+        "ach": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "Acoli"
+        ],
         "acm": [
             "Arab",
             [
@@ -2725,6 +2732,13 @@
             ],
             "Kilaangi"
         ],
+        "laj": [
+            "Latn",
+            [
+                "AF"
+            ],
+            "Lëblaŋo"
+        ],
         "lb": [
             "Latn",
             [
@@ -7175,6 +7189,8 @@
             "lg",
             "nyn",
             "en",
+            "laj",
+            "ach",
             "rw",
             "ttj",
             "hi"