Make the readme all pretty :^)

Author: e3ndr

README.md

@@ -1,5 +1,21 @@
 # swetrix-java
 
+## Usage
+```java
+Swetrix swetrix = Swetrix.builder("YOUR_PROJECT_ID")
+    .withDebugEnabled(true)       // Useful for debugging.
+    .withAnalyticsDisabled(false) // For local/dev environments.
+    .withApiUrl("https://...")    // If you have your own self-hosted instance. Omit this to use the default Swetrix API.
+    .build();
+
+// Or, if you just want an quick instance with defaults, new Swetrix("YOUR_PROJECT_ID");
+
+swetrix.trackPageView("/"); // Tracking page views is easy.
+
+swetrix.track("my_custom_event", false); // You can also track custom events.
+```
+
+## Installation (Maven)
 ```xml
     <repositories>
         <repository>
@@ -16,4 +32,4 @@
             <scope>compile</scope>
         </dependency>
     </dependencies>
-```
+```