Niko/IOS docs to new template (#551)

* Adding iOS docs.

* * Removing todo.

* Update docs/sdks/client-sdks/ios/assignments.mdx

Co-authored-by: Leo Romanovsky <[email protected]>

* Remove debugging.

* Fixing initialization API Option Ref

* Small quickstart change.

* Removing mention of polling.

* Adding missing import statements

* Fixing package name.

* Updating for merge.

* deleting ios API reference card as we do not have one of those right now.

* Fixing broken link.

---------

Co-authored-by: Leo Romanovsky <[email protected]>

Author: nikomancy

docs/quick-starts/feature-flag-quickstart.md

@@ -233,7 +233,7 @@ Task {
 ```
 
 :::note
-It is recommended to wrap initialization in a `Task` block in order to perform network request asynchronously. For more information, see the [iOS SDK](/sdks/client-sdks/ios) documentation.
+It is recommended to wrap initialization in a `Task` block in order to perform network request asynchronously. For more information, see the [iOS SDK](/sdks/client-sdks/ios/intro) documentation.
 :::
 
 </TabItem>

docs/sdks/client-sdks/index.md

@@ -21,4 +21,4 @@ The SDK uses a background process to fetch and store the experiment data. The p7
 - [JavaScript](/sdks/client-sdks/javascript/intro)
 - [React Native](/sdks/client-sdks/react-native/intro)
 - [Android](/sdks/client-sdks/android/intro)
-- [iOS](/sdks/client-sdks/ios)
+- [iOS](/sdks/client-sdks/ios/intro)

docs/sdks/client-sdks/ios.md

@@ -0,0 +1,4 @@
+{
+  "label": "iOS",
+  "position": 3
+}