Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: Ied3a4c392cf2ea16c6e858a1baaf9790db95e1f4

i18n/stq.json

@@ -0,0 +1,16 @@
+{
+    "@metadata": {
+        "authors": [
+            "Pyt"
+        ]
+    },
+    "contributionscores": "Benutserbiedraage ouskätsje",
+    "contributionscores-info": "Ouskätsskema:\n*1 Punkt foar älke beoarbaidede Siede\n*Quadroatwuttel fon aal do (Beoarbaidengen) - (Summe fon do beoarbaidede Sieden) * 2\nOuskätsengen ap disse Gruundloage weege ju Fuulfoold fon do Biedraage swarrer as dät Biedraachsvolumen. Disse Ouschätsenge mät do apaate Sieden, man lukt uk wäls ganse Oarbaid in Reekenge.",
+    "contributionscores-top": "(Buppeste $1)",
+    "contributionscores-days": "Lääste $1 Deege",
+    "contributionscores-allrevisions": "Aal Versione",
+    "contributionscores-score": "Skätsenge",
+    "contributionscores-pages": "Sieden",
+    "contributionscores-changes": "Annerengen",
+    "contributionscores-username": "Benutsernoome"
+}