move mfa.js to the rest of the API

src/api/mfa.js

@@ -0,0 +1,46 @@
+import { promisedRequest } from './helpers.js'
+
+export const verifyOTPCode = ({
+  clientId,
+  clientSecret,
+  instance,
+  mfaToken,
+  code,
+}) => {
+  const formData = new window.FormData()
+
+  formData.append('client_id', clientId)
+  formData.append('client_secret', clientSecret)
+  formData.append('mfa_token', mfaToken)
+  formData.append('code', code)
+  formData.append('challenge_type', 'totp')
+
+  return promisedRequest({
+    url: '/oauth/mfa/challenge'
+    method: 'POST',
+    formData,
+  })
+}
+
+export const verifyRecoveryCode = ({
+  clientId,
+  clientSecret,
+  instance,
+  mfaToken,
+  code,
+}) => {
+  const url = `${instance}`
+  const formData = new window.FormData()
+
+  formData.append('client_id', clientId)
+  formData.append('client_secret', clientSecret)
+  formData.append('mfa_token', mfaToken)
+  formData.append('code', code)
+  formData.append('challenge_type', 'recovery')
+
+  return promisedRequest({
+    url: '/oauth/mfa/challenge'
+    method: 'POST',
+    formData,
+  })
+}