feat(methods): add slackbot.skills.list method example

methods/README.md

@@ -47,5 +47,6 @@ $ mvn compile exec:java -Dexec.mainClass=chat.ChatPostMessage  # Make the reques
 
 - **[slackbot.skills.create](https://docs.slack.dev/reference/methods/slackbot.skills.create)**: Creates a skill from markdown instructions, or turns an existing canvas the caller owns into a skill. [Implementation](./src/main/java/slackbot/skills/SlackbotSkillsCreate.java).
 - **[slackbot.skills.info](https://docs.slack.dev/reference/methods/slackbot.skills.info)**: Returns one Slackbot skill, including its instructions. [Implementation](./src/main/java/slackbot/skills/SlackbotSkillsInfo.java).
+- **[slackbot.skills.list](https://docs.slack.dev/reference/methods/slackbot.skills.list)**: Lists Slackbot skills from the caller's point of view. Instructions are not included. [Implementation](./src/main/java/slackbot/skills/SlackbotSkillsList.java).
 - **[slackbot.skills.update](https://docs.slack.dev/reference/methods/slackbot.skills.update)**: Changes a Slackbot skill's instructions or metadata. Only the inputs you send are changed; a call that changes nothing succeeds without writing. [Implementation](./src/main/java/slackbot/skills/SlackbotSkillsUpdate.java).
 

methods/src/main/java/slackbot/skills/SlackbotSkillsList.java

@@ -0,0 +1,30 @@
+package slackbot.skills;
+
+import com.slack.api.Slack;
+import com.slack.api.methods.MethodsClient;
+import com.slack.api.methods.SlackApiException;
+import com.slack.api.methods.request.slackbot.skills.SlackbotSkillsListRequest;
+import com.slack.api.methods.response.slackbot.skills.SlackbotSkillsListResponse;
+import java.io.IOException;
+
+public class SlackbotSkillsList {
+
+    public static void main(String[] args) throws IOException, SlackApiException {
+        // Read a token from an environment variable
+        String token = System.getenv("SLACK_TOKEN");
+
+        // Initialize
+        MethodsClient methods = Slack.getInstance().methods(token);
+
+        // Call the slackbot.skills.list method
+        SlackbotSkillsListRequest request = SlackbotSkillsListRequest.builder()
+                .filter("library")
+                .category("productivity")
+                .limit(100)
+                .build();
+        SlackbotSkillsListResponse response = methods.slackbotSkillsList(request);
+
+        // Inspect the response
+        System.out.println(response);
+    }
+}