chore: lint project (#3395)

* chore: format swift code
* chore: format clang code
* chore: format kotlin code
* refactor: rename folder "API" to "api"

ios/.swiftformat

@@ -1,5 +1,5 @@
 --allman false
---indent 2
+--indent 4
 --exclude Pods,Generated
 
 --disable andOperator
@@ -10,4 +10,7 @@
 
 --enable markTypes
 
---enable isEmpty
+--enable isEmpty
+
+--funcattributes "prev-line"
+--maxwidth 160