Add precommit check for keyset.json & context.json

.lintstagedrc.json

@@ -13,5 +13,8 @@
     ],
     "src/i18n-keysets/**/!({keyset,context}).json": [
       "node scripts/i18n-keysets-sort.js"
+    ],
+    "src/i18n-keysets/**/({keyset,context}).json": [
+      "node scripts/i18n-keysets-clear.js"
     ]
 }

scripts/i18n-keysets-clear.js

@@ -0,0 +1,13 @@
+/**
+ * Because of move to Weblate we don't need keyset.json & context.json files
+ */
+
+const keysetFiles = process.argv.slice(2);
+if (keysetFiles.length) {
+    console.error(
+        `It it prohibited to add keyset.json and context.json files:\n\n${keysetFiles.join('\n')}`,
+    );
+    process.exitCode = 1;
+} else {
+    process.exitCode = 0;
+}