[Jetcaster]: Update references in README (#1512)

# PR Summary
PR adjusts the references in `Jetcaster/README.md`. It also fixes small
typo (_`Advice` cannot be pluralized by adding the suffix -s_).

Author: riggaroo

Jetcaster/README.md

@@ -83,7 +83,7 @@ if you want to see an advanced Media sample built on Compose that uses Exoplayer
 refer to the [Media Toolkit sample][mediatoolkitsample].
 
 The [official media app guidance for Wear OS][wearmediaguidance]
-advices to download content on the watch before listening to preserve power, this feature will be added to this sample in future iterations. You can
+recommends downloading content onto the watch before listening to preserve power, this feature will be added to this sample in future iterations. You can
 refer to the [Media Toolkit sample][mediatoolkitsample] to learn how to implement the media download feature.
 
 ### Architecture
@@ -94,7 +94,7 @@ own [ViewModel][viewmodel] which exposes a `StateFlow<ScreenState>` for the UI t
 
 ### Podcast data
 
-The podcast data in this sample is dynamically fetched from a number of podcast RSS feeds, which are listed in [`Feeds.kt`](mobile/src/main/java/com/example/jetcaster/data/Feeds.kt). 
+The podcast data in this sample is dynamically fetched from a number of podcast RSS feeds, which are listed in [`Feeds.kt`](core/data/src/main/java/com/example/jetcaster/core/data/network/Feeds.kt).
 
 The [`PodcastRepository`][podcastrepo] class is responsible for handling the data fetching of all podcast information:
 
@@ -103,11 +103,11 @@ The [`PodcastRepository`][podcastrepo] class is responsible for handling the dat
 
  ### Follow podcasts
 
- The sample allows users to 'follow' podcasts, which is implemented within the data layer in the [`PodcastFollowedEntry`](mobile/src/main/java/com/example/jetcaster/data/PodcastFollowedEntry.kt) entity class, and as functions in [PodcastStore][podcaststore]: `followPodcast()`, `unfollowPodcast()`.
+ The sample allows users to 'follow' podcasts, which is implemented within the data layer in the [`PodcastFollowedEntry`](core/data/src/main/java/com/example/jetcaster/core/data/database/model/PodcastFollowedEntry.kt) entity class, and as functions in [PodcastStore][podcaststore]: `followPodcast()`, `unfollowPodcast()`.
 
  ### Date + time
 
- The sample uses the JDK 8 [date and time APIs](https://developer.android.com/reference/java/time/package-summary) through the [desugaring support][jdk8desugar] available in Android Gradle Plugin 4.0+. Relevant Room [`TypeConverters`](https://developer.android.com/reference/kotlin/androidx/room/TypeConverters) are implemented in [`DateTimeTypeConverters.kt`](mobile/src/main/java/com/example/jetcaster/data/room/DateTimeTypeConverters.kt).
+ The sample uses the JDK 8 [date and time APIs](https://developer.android.com/reference/java/time/package-summary) through the [desugaring support][jdk8desugar] available in Android Gradle Plugin 4.0+. Relevant Room [`TypeConverters`](https://developer.android.com/reference/kotlin/androidx/room/TypeConverters) are implemented in [`DateTimeTypeConverters.kt`](core/data/src/main/java/com/example/jetcaster/core/data/database/DateTimeTypeConverters.kt).
 
 ## License