APP-88575 migration docs

[noambartouv]

This change is 

[MikePendo]

migration-docs/ios-2.x-to-3.x-migration.md line 153 at r1 (raw file):

```swift
PendoManager.shared().setup("someAppKey", with: nil)

Do we need with:?

[MikePendo]

migration-docs/README.md line 7 at r1 (raw file):

- [Native Android](/migration-docs/android-2.x-to-3.x-migration.md)
- [Native iOS](/migration-docs/ios-2.x-to-3.x-migration.md)
- [React Native](/migration-docs/react-native-2.x-to-3.x-migration.md)

maybe lets add /react native navigation near React Native

[MikePendo]

[udilevin]

migration-docs/maui-2.x-to-3.x-migration.md line 28 at r4 (raw file):

<b>3.x:</b>

```C#

Lower case Pendo Check if(pendo !=null)

[udilevin]

migration-docs/react-native-2.x-to-3.x-migration.md line 18 at r4 (raw file):

<td align=center><b>withPendoRN </td>
<td>

Capital W in WithPendoReactNavigation

[MikePendo]

[merge]

[pendo-ops]

Some JIRA issue transitions/labels succeeded, but some didn't. Total number of issues: 1 Issues that successfully transitioned/labeled: 0 Issues that weren't transitioned/labeled: 0 Problems encountered:

Branch APP-88575-migration-docs deleted