chore: add comments

Author: jvsena42

app/src/main/java/to/bitkit/repositories/ActivityRepo.kt

@@ -77,6 +77,7 @@ class ActivityRepo @Inject constructor(
 
         for (payment in payments) {
             try {
+                // TODO Reduce repeated calls
                 val existentActivity = coreService.activity.getActivity(payment.id)
                 val wasUpdate = existentActivity != null
 

app/src/main/java/to/bitkit/viewmodels/AppViewModel.kt

@@ -925,6 +925,7 @@ class AppViewModel @Inject constructor(
                 sendOnchain(validatedAddress.address, amount)
                     .onSuccess { txId ->
                         val tags = _sendUiState.value.selectedTags
+                        //TODO Tags are not added if the activity is not already created
                         activityRepo.addTagsToTransaction(
                             paymentHashOrTxId = txId,
                             type = ActivityFilter.ONCHAIN,