added spring and a API specific stuff

this commit adds a fully working API wit /courses, /timetable?courseName=[course] and /mensamenu

build.gradle

@@ -1,35 +1,34 @@
 
 buildscript {
     ext.kotlin_version = '1.3.21'
+    ext.spring_boot_version = '2.1.0.RELEASE'
 
     repositories {
-        mavenCentral()
+        jcenter()
     }
 
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'org.jsoup:jsoup:1.11.3'
+        classpath "org.jetbrains.kotlin:kotlin-allopen:$kotlin_version"
+        classpath "org.jsoup:jsoup:1.11.3"
+        classpath "org.springframework.boot:spring-boot-gradle-plugin:$spring_boot_version"
     }
 }
 
-plugins {
-    id 'org.jetbrains.kotlin.jvm' version '1.3.21'
-}
-
 apply plugin: 'kotlin'
-apply plugin: 'application'
-
-application {
-    mainClassName = "org.mosad.thecitadelofricks.MainKt"
-}
+apply plugin: 'kotlin-spring'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
 
 repositories {
-    mavenCentral()
+    jcenter()
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.1.1"
     implementation 'org.jsoup:jsoup:1.11.3'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
 }
 
 compileKotlin {