2.0.7(20) (#21)

* changed home background

* add datastore to save if a user signed in

* add ExpandableSearchBar.kt to TravellersActivity.kt

* fix fab on travellers' activity

* Fix uploading photo to firestore and set sdk_version = 32

* update CI/CD

* update gradle and README.md

* update gradle and dependencies

* Remove deprecated on back pressed and replaced with a new approach

* Remove deprecated on back pressed and replaced with a new approach

* replaced deprecated getParcelable and getPackageInfo methods

* upgraded koin and okhttp version

* upgraded firebase_bom_version

* Fix updating the number of visited countries

* upgrade koin version

* add org.gradle.unsafe.configuration-cache-problems=warn

gradle.properties

@@ -54,4 +54,6 @@ env.SIGNING_KEY_RELEASE_PATH=../keystore/travelling_release.keystore
 env.SIGNING_KEY_RELEASE_PASSWORD=travelling
 env.SIGNING_KEY_RELEASE_KEY=travelling_release
 env.SIGNING_KEY_RELEASE_KEY_PASSWORD=travelling
-org.gradle.unsafe.configuration-cache=true
+#configuration-cache
+org.gradle.unsafe.configuration-cache=true
+org.gradle.unsafe.configuration-cache-problems=warn