added initial version containing ping/echo command and first draft of the command handling structure

abstracto-application/core/core-interface/pom.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>dev.sheldan.abstracto.core</groupId>
+        <artifactId>core</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+    <packaging>jar</packaging>
+
+    <artifactId>core-interface</artifactId>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>net.dv8tion</groupId>
+            <artifactId>JDA</artifactId>
+        </dependency>
+    </dependencies>
+</project>

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/service/Bot.java

@@ -0,0 +1,13 @@
+package dev.sheldan.abstracto.service;
+
+import net.dv8tion.jda.api.JDA;
+import org.springframework.stereotype.Service;
+
+import javax.security.auth.login.LoginException;
+
+@Service
+public interface Bot {
+    void login() throws LoginException;
+    JDA getInstance();
+    void shutdown();
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/service/Startup.java

@@ -0,0 +1,10 @@
+package dev.sheldan.abstracto.service;
+
+import org.springframework.stereotype.Service;
+
+import javax.security.auth.login.LoginException;
+
+@Service
+public interface Startup {
+    public void startBot() throws LoginException;
+}