[Release] Bump version to 2.1.0

Author: yihleego

README.md

@@ -19,14 +19,14 @@ There are third-party reimplementations of FIGlet in Java (including one embedde
 <dependency>
     <groupId>io.leego</groupId>
     <artifactId>banana</artifactId>
-    <version>2.0.1</version>
+    <version>2.1.0</version>
 </dependency>
 ```
 
 ### Gradle
 
 ```xml
-implementation 'io.leego:banana:2.0.1'
+implementation 'io.leego:banana:2.1.0'
 ```
 
 ## Usage

pom.xml

@@ -8,7 +8,7 @@
 
     <groupId>io.leego</groupId>
     <artifactId>banana</artifactId>
-    <version>2.0.1</version>
+    <version>2.1.0</version>
     <packaging>jar</packaging>
     <name>${project.artifactId}</name>
     <description>A FIGlet utility for Java that generates text banners, in a variety of typefaces, composed of letters made up of conglomerations of smaller ASCII characters.</description>