adds docs for public constructors to fix sonar issues (#1012)

Author: ankitsmt211

application/src/main/java/org/togetherjava/tjbot/commands/github/GitHubCommand.java

@@ -44,6 +44,16 @@ public final class GitHubCommand extends SlashCommandAdapter {
     private Instant lastCacheUpdate;
     private List<String> autocompleteGHIssueCache;
 
+    /**
+     * Constructs an instance of GitHubCommand.
+     *
+     * This constructor initializes a new GitHubCommand with the specified GitHubReference. It also
+     * sets the command name to "github-search" and the command description to "Search configured
+     * GitHub repositories for an issue/pull request".
+     *
+     * @param reference The GitHubReference used for searching issue/pull request in configured
+     *        repositories.
+     */
     public GitHubCommand(GitHubReference reference) {
         super("github-search", "Search configured GitHub repositories for an issue/pull request",
                 CommandVisibility.GUILD);

application/src/main/java/org/togetherjava/tjbot/commands/github/GitHubReference.java

@@ -57,6 +57,14 @@ public final class GitHubReference extends MessageReceiverAdapter {
      */
     private List<GHRepository> repositories;
 
+    /**
+     * Constructs an instance of GitHubReference.
+     *
+     * This constructor initializes a new GitHubReference with the specified Config. It also sets up
+     * a predicate for matching allowed channels for feature and acquires repositories.
+     *
+     * @param config The Config to get allowed channel pattern for feature.
+     */
     public GitHubReference(Config config) {
         this.config = config;
         this.hasGithubIssueReferenceEnabled =