Add Gondi and Kolami (#324)

Requested at translatewiki:
https://translatewiki.net/w/i.php?title=Support&oldid=11456484

Gondi autonym according to Ethnologue.

Kolami autonym assumed to be the same as in Telugu,
and it also appears in the Incubator.

Co-authored-by: Niklas Laxström <niklas.laxstrom@gmail.com>

data/langdb.yaml

@@ -504,6 +504,7 @@ languages:
   new: [Deva, [AS], नेपाल भाषा]
   ng: [Latn, [AF], Oshiwambo]
   nia: [Latn, [AS], Li Niha]
+  nit: [Telu, [AS], కొలామి]
   niu: [Latn, [PA], ko e vagahau Niuē]
   njo: [Latn, [AS], Ao]
   nl: [Latn, [EU, AM], Nederlands]
@@ -776,6 +777,7 @@ languages:
   war: [Latn, [AS], Winaray]
   wls: [Latn, [PA], "Faka'uvea"]
   wo: [Latn, [AF], Wolof]
+  wsg: [Telu, [AS], గోండి]
   wuu: [Hans, [AS], 吴语]
   wuu-hans: [Hans, [AS], 吴语（简体）]
   wuu-hant: [Hant, [AS], 吳語（正體）]

data/language-data.json

@@ -3164,6 +3164,13 @@
             ],
             "Li Niha"
         ],
+        "nit": [
+            "Telu",
+            [
+                "AS"
+            ],
+            "కొలామి"
+        ],
         "niu": [
             "Latn",
             [
@@ -4897,6 +4904,13 @@
             ],
             "Wolof"
         ],
+        "wsg": [
+            "Telu",
+            [
+                "AS"
+            ],
+            "గోండి"
+        ],
         "wuu": [
             "Hans",
             [