Add some notes

Author: sonallux

CHANGELOG.md

@@ -24,4 +24,4 @@ ApiCall<?> call2 = spotifyWebApi.getXApi().getX("requiredParam").optionalParam1(
 - Added support for all authorization flows. See [here](https://github.com/sonallux/spotify-web-api-java/tree/master/spotify-web-api-java#authorization) for more details.
 
 ## [1.x.x]
-The changelog of the `1.x.x` version of the `spotify-web-api-java` can be found [on the master branch](https://github.com/sonallux/spotify-web-api-java/blob/master/CHANGELOG.md).
+The changelog of the `1.x.x` version of the `spotify-web-api-java` can be found on the [master branch](https://github.com/sonallux/spotify-web-api-java/blob/master/CHANGELOG.md).

README.md

@@ -6,6 +6,8 @@
 
 A Java wrapper for Spotify's Web API.
 
+This is the 2.x.x version of the `spotify-web-api-java` library. The 1.x.x version can be found on the [master branch](https://github.com/sonallux/spotify-web-api-java/tree/master)
+
 ## Installation
 This library will be available on [Maven Central](https://search.maven.org/search?q=g:%22de.sonallux.spotify%22%20AND%20a:%22spotify-web-api-java%22) in the future:
 
@@ -43,3 +45,9 @@ Code example: [AuthorizationCodePKCEExample.java](spotify-web-api-java/src/test/
 Code example: [ImplicitGrantExample.java](spotify-web-api-java/src/test/java/examples/ImplicitGrantExample.java)
 ### [Client credentials flow](https://developer.spotify.com/documentation/general/guides/authorization-guide/#client-credentials-flow)
 Code example: [ClientCredentialsExample.java](spotify-web-api-java/src/test/java/examples/ClientCredentialsExample.java)
+
+## How to release a new version
+1. Update the version number with `./mvnw versions:set -DnewVersion="<version>" -DgenerateBackupPoms=false`
+2. Commit and push changes to GitHub
+3. Wait till CI is green
+4. Tag and push the commit created in step 1. A GitHub actions workflow will automatically deploy the artifacts to Maven Central.

pom.xml

@@ -67,6 +67,7 @@
         <mockito-junit-jupiter.version>3.8.0</mockito-junit-jupiter.version>
     </properties>
 
+    <!-- Remove this when spotify-web-api-core is available on maven central -->
     <repositories>
         <repository>
             <id>ossrh-snapshots</id>