Add some small example for patter usage inside of the worldedit context for edit regions by plugins.

This example describe so far it possible the edit process and the async process to edit a region with a specific biome.

Author: TheMeinerLP

fastasyncworldedit/API/fill-region-by-pattern.md

@@ -0,0 +1,78 @@
+# Filling a region using a pattern
+
+## Foreword
+First of all, patterns usually come from the core part of Worleedit or FAWE. The patterns can be found in the following path: [worldedit-core/src/main/java/com/fastasyncworldedit/core/function/pattern](https://intellectualsites.github.io/fastasyncworldedit-javadocs/worldedit-core/com/fastasyncworldedit/core/extension/factory/parser/pattern/package-summary.html)
+
+_The link refers you to the JavaDocs with the correct package_
+
+In this example, we only refer to one pattern for the time being.
+
+## Biome Cuboid Example
+Given are 3 things:
+- Position1: X=300, y=-64, z=300
+- Position2: X=600, y=128, z=600
+- BiomeType: Badlands
+
+```java
+// Here we must first adapt the world as in the WorldEdit example or translate it into the WorldEdit specialized object.
+World faweWorld = BukkitAdapter.adapt(world);  
+
+// Here we set our position 1 and 2
+BlockVector3 position1 = BlockVector3.at(300,-64,300);
+BlockVector3 position2 = BlockVector3.at(600,128,600);
+
+//Now we define a square region using our 2 positions
+CuboidRegion cuboidRegion = new CuboidRegion(position1, position2);
+
+// Now we open an EditSession, which contains the complete process or information during an edit process in the world. Through the try-and-catch-with-resources we let Java automatically close the resource EditSession after use
+try (EditSession editSession = WorldEdit.getInstance().newEditSession(faweWorld)) {
+    // Here we create our biome pattern
+    var pattern = new BiomeApplyingPattern(editSession, BiomeTypes.BADLANDS);
+    
+    //This sets the pattern to the region
+    editSession.setBlocks((Region) cuboidRegion, pattern);
+}
+```
+_This code is still Fawe unspecific and can also be used in WorldEdit in this way_
+
+### Let's set blocks async with FAWE
+{% hint style="info" %}
+**Recommended**
+
+If no plug-in instance is available, you can also use the Task Manger. See below
+{% endhint %}
+Now we run the code Async to let Fawe manage server resources:
+```java
+// Now we wrap our code in a runnable with a functional interface and have it executed by Bukkit's scheduler system
+Runnable executeCode = () -> {
+    // Now we open an EditSession, which contains the complete process or information during an edit process in the world. Through the try-and-catch-with-resources we let Java automatically close the resource EditSession after use
+    try (EditSession editSession = WorldEdit.getInstance().newEditSession(faweWorld)) {
+        // Here we create our biome pattern
+        var pattern = new BiomeApplyingPattern(editSession, BiomeTypes.BADLANDS);
+    
+        //This sets the pattern to the region
+        editSession.setBlocks((Region) cuboidRegion, pattern);
+    }
+};
+Bukkit.getScheduler().runTask(Bukkit.getPluginManager().getPlugin("YourPluginNameHere"), executeCode);
+```
+
+---
+
+We can also use the TaskManger from Fawe. To do this, we only need to replace a call.
+
+
+```java
+// Now we wrap our code in a runnable with a functional interface and have it executed by Bukkit's scheduler system
+Runnable executeCode = () -> {
+    // Now we open an EditSession, which contains the complete process or information during an edit process in the world. Through the try-and-catch-with-resources we let Java automatically close the resource EditSession after use
+    try (EditSession editSession = WorldEdit.getInstance().newEditSession(faweWorld)) {
+        // Here we create our biome pattern
+        var pattern = new BiomeApplyingPattern(editSession, BiomeTypes.BADLANDS);
+    
+        //This sets the pattern to the region
+        editSession.setBlocks((Region) cuboidRegion, pattern);
+    }
+};
+TaskManager.taskManager().taskNow(executeCode, true); // The second parameter specifies whether it should run async or sync.
+```

fastasyncworldedit/API/api-usage.md renamed to fastasyncworldedit/API/get-started.md

@@ -1,4 +1,4 @@
-# API Usage
+# Get Started
 
 ## Maven & Gradle Examples
 

fastasyncworldedit/SUMMARY.md

@@ -22,7 +22,7 @@
 
 ## API
 
-* [API Usage](./API/api-usage.md)
+* [API Usage](./API/get-started)
 
 ## Basic Commands