Added Command abstraction layer

lib/src/main/java/net/tomatentum/marinara/command/DiscordCommand.java

@@ -1,5 +1,28 @@
 package net.tomatentum.marinara.command;
 
-public class DiscordCommand {
+import net.tomatentum.marinara.handler.InteractionHandler;
+
+public abstract class DiscordCommand implements InteractionHandler {
+    private String name;
+    private String description;
+    private String[] aliases;
+
+    protected DiscordCommand(String name, String description, String... aliases) {
+        this.name = name;
+        this.description = description;
+        this.aliases = aliases;
+    }
+
+    public String getName() {
+        return name;
+    }
+    
+    public String getDescription() {
+        return description;
+    }
+
+    public String[] getAliases() {
+        return aliases;
+    }
 
 }

lib/src/main/java/net/tomatentum/marinara/command/GlobalDiscordCommand.java

@@ -0,0 +1,17 @@
+package net.tomatentum.marinara.command;
+
+public class GlobalDiscordCommand extends DiscordCommand{
+    private boolean enabledInDms = false;
+
+    public GlobalDiscordCommand(String name, String description, String... aliases) {
+        super(name, description, aliases);
+    }
+
+    public boolean isEnabledInDms() {
+        return enabledInDms;
+    }
+
+    public void setEnabledInDms(boolean enabledInDms) {
+        this.enabledInDms = enabledInDms;
+    }
+}

lib/src/main/java/net/tomatentum/marinara/command/ServerDiscordCommand.java

@@ -0,0 +1,13 @@
+package net.tomatentum.marinara.command;
+
+public class ServerDiscordCommand extends DiscordCommand {
+    private long[] servers;
+
+    public ServerDiscordCommand(String name, String description, String... aliases) {
+        super(name, description, aliases);
+    }
+
+    public long[] getServers() {
+        return servers;
+    }
+}

lib/src/main/java/net/tomatentum/marinara/command/annotation/CommandOption.java

@@ -0,0 +1,11 @@
+package net.tomatentum.marinara.command.annotation;
+
+import net.tomatentum.marinara.command.option.OptionType;
+
+public @interface CommandOption {
+    public String name();
+    public String description() default "";
+    public OptionType type() default OptionType.STRING;
+    public boolean required() default false;
+    
+}