Update README.md

Signed-off-by: JonasDevDE <[email protected]>

README.md

@@ -1 +1,55 @@
 # IgDataStores
+
+## Use with Gradle
+```gradle
+repositories {
+  maven { url 'https://jitpack.io' }
+}
+```
+
+```gradle
+dependencies {
+  implementation 'com.github.IgWebDE:IgDataStores:latest'
+}
+```
+
+
+## Use with Maven
+```xml
+<repository>
+  <id>jitpack.io</id>
+  <url>https://jitpack.io</url>
+</repository>
+```
+
+```xml
+<dependency>
+  <groupId>com.github.IgWebDE</groupId>
+  <artifactId>IgDataStores</artifactId>
+  <version>latest</version>
+</dependency>
+```
+
+```java
+import de.igweb.igdatastores.DataStore;
+
+public class Demo {
+
+    public static void main(String[] args) {
+        DataStore<User> userStorage = new DataStore<>();
+        userStorage.save(
+                new User("John", 19, "[email protected]"),
+                new User("Jane", 29, "[email protected]"),
+                new User("Jack", 46, "[email protected]"),
+                new User("Jill", 23, "[email protected]")
+        );
+
+        userStorage.createQuery()
+                .field("age").greaterThan(20)
+                .field("age").lessThan(24)
+                .field("email").endsWith("es.i")
+                .list().forEach(user -> System.out.println(user.getName()));
+    }
+
+}
+```