chore: add mobile app

frontend-admin/node_modules/split-on-first/index.d.ts

@@ -0,0 +1,29 @@
+/**
+Split a string on the first occurrence of a given separator.
+
+@param string - The string to split.
+@param separator - The separator to split on.
+
+@example
+```
+import splitOnFirst = require('split-on-first');
+
+splitOnFirst('a-b-c', '-');
+//=> ['a', 'b-c']
+
+splitOnFirst('key:value:value2', ':');
+//=> ['key', 'value:value2']
+
+splitOnFirst('a---b---c', '---');
+//=> ['a', 'b---c']
+
+splitOnFirst('a-b-c', '+');
+//=> ['a-b-c']
+```
+*/
+declare function splitOnFirst(
+	string: string,
+	separator: string
+): [string, string?];
+
+export = splitOnFirst;