Upgrade version to 0.3.0

The latest changes introduces a few new features including:
* fusion s3 support
* new task directive support

upgrade the version to 0.3.0 according to semver.

README.md

@@ -53,7 +53,7 @@ Just make sure you have proper internet access.
 
 ```groovy
 plugins {
-    id 'nf-float@0.2.1'
+    id 'nf-float@0.3.0'
 }
 ```
 
@@ -66,17 +66,17 @@ Go to the folder where you just install the `nextflow` command line.
 Let's call this folder the Nextflow home directory.
 Create the float plugin folder with:
 ```bash
-mkdir -p .nextflow/plugins/nf-float-0.2.1
+mkdir -p .nextflow/plugins/nf-float-0.3.0
 ```
-where `0.2.1` is the version of the float plugin.  This version number should 
+where `0.3.0` is the version of the float plugin.  This version number should 
 align with the version in of your plugin and the property in your configuration
 file. (check the configuration section)
 
 Retrieve your plugin zip file and unzip it in this folder.
 If everything goes right, you should be able to see two sub-folders:
 
 ```bash
-$ ll .nextflow/plugins/nf-float-0.2.1/
+$ ll .nextflow/plugins/nf-float-0.3.0/
 total 48
 drwxr-xr-x 4 ec2-user ec2-user    51 Jan  5 07:17 classes
 drwxr-xr-x 2 ec2-user ec2-user    25 Jan  5 07:17 META-INF
@@ -89,7 +89,7 @@ file with the command line option `-c`.  Here is a sample of the configuration.
 
 ```groovy
 plugins {
-    id 'nf-float@0.2.1'
+    id 'nf-float@0.3.0'
 }
 
 workDir = '/mnt/memverge/shared'
@@ -165,7 +165,7 @@ Unknown config secret 'MMC_USERNAME'
 To enable s3 as work directory, user need to set work directory to a s3 bucket.
 ```groovy
 plugins {
-    id 'nf-float@0.2.1'
+    id 'nf-float@0.3.0'
 }
 
 workDir = 's3://bucket/path'
@@ -213,7 +213,7 @@ Tests done for s3 work directory support:
 
 ### Configure fusion FS over s3
 
-Since release 0.2.1, we support fusion FS over s3.  To enable fusion, you need to add following configurations
+Since release 0.3.0, we support fusion FS over s3.  To enable fusion, you need to add following configurations
 ```groovy
 wave.enabled = true // 1
 

conf/float-rt.conf

@@ -1,5 +1,5 @@
 plugins {
-    id 'nf-float@0.2.1'
+    id 'nf-float@0.3.0'
 }
 
 workDir = '/mnt/memverge/shared'

plugins/nf-float/src/resources/META-INF/MANIFEST.MF

@@ -1,6 +1,6 @@
 Manifest-Version: 1.0
 Plugin-Class: com.memverge.nextflow.FloatPlugin
 Plugin-Id: nf-float
-Plugin-Version: 0.2.1
+Plugin-Version: 0.3.0
 Plugin-Provider: MemVerge Corp.
 Plugin-Requires: >=23.04.0