Set README refs to main branch

.github/partial-readmes/MakeItYourOwn.md

@@ -7,7 +7,7 @@ In order of complexity we'll start with:
 
 
 ### Modify Default
-In our [Get started](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/GetStarted.md) example we have used Default Style to get something working quickly. If that was mostly what you were looking for, then you'll be happy to know that each component is mutable and you should easily be able to customise individual properties. This is also used as example in our demo projects inside `Factory.swift`, in the method `getDefaultPaymentViewController`.
+In our [Get started](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/GetStarted.md) example we have used Default Style to get something working quickly. If that was mostly what you were looking for, then you'll be happy to know that each component is mutable and you should easily be able to customise individual properties. This is also used as example in our demo projects inside `Factory.swift`, in the method `getDefaultPaymentViewController`.
 
 Example:
 ```swift

.github/partial-readmes/Migration.md

@@ -5,7 +5,7 @@ If you're using Frames iOS from versions prior to v4 (we would strongly recommen
 
 Because of our efforts to greatly improve the UI of the Frames and enabling you to customise it to such extents, the approach required is very different. This will require you to:
 - remove usage of Frames older version from your code base. This may be an opportunity to remove a screen as well, or a few other objects that were created only to support older Frames integration!
-- [Get started](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/GetStarted.md)
+- [Get started](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/GetStarted.md)
 
 
 We would like to point out the great benefits that we think v4+ brings to our SDK, like:

README.md

@@ -23,15 +23,15 @@ Frames for iOS tokenises consumer data for use within [Checkout.com](https://www
 
 - [Demo projects](#Demo-projects): _We've created projects showcasing the range of functionality available in our SDKs while testing each distribution method offered_
 
-- [Integration](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/Integration.md): _a guide for consuming our SDK in your iOS app_
+- [Integration](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/Integration.md): _a guide for consuming our SDK in your iOS app_
 
-- [Get started](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/GetStarted.md): _Start testing what you can achieve by presenting inside your Applications UI_ 
+- [Get started](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/GetStarted.md): _Start testing what you can achieve by presenting inside your Applications UI_ 
 
-- [Make it your own](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/MakeItYourOwn.md): _Customising the UI to become a part of your app_
+- [Make it your own](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/MakeItYourOwn.md): _Customising the UI to become a part of your app_
 
-- [Other features](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/OtherFeatures.md): _How we help with Apple Pay & 3D Secure Challenges_
+- [Other features](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/OtherFeatures.md): _How we help with Apple Pay & 3D Secure Challenges_
 
-- [Migrating](https://github.com/checkout/frames-ios/blob/feature/partial-readmes/.github/partial-readmes/Migration.md): _If you have used 3.5.x version (or lower) before_
+- [Migrating](https://github.com/checkout/frames-ios/blob/main/.github/partial-readmes/Migration.md): _If you have used 3.5.x version (or lower) before_
 
 - [License](#License)