Update plugin.yml to follow the new Ava plugin requirements

Author: Senither

build.gradle

@@ -1,7 +1,7 @@
 apply plugin: 'java'
 
 group 'com.avairebot'
-version '1.1'
+version '1.2'
 description 'A simple plugin for AvaIre that adds suggestion features'
 
 sourceCompatibility = 1.8

src/main/resources/plugin.yml

@@ -1,3 +1,6 @@
 name: 'Suggestions'
 main: 'com.avairebot.plugin.Suggestion'
-description: 'A simple plugin for AvaIre that adds suggestion features'
+version: '1.2'
+author: 'Alexis Tan <Senither#0001>'
+description: 'Suggestion is a simple plugin that adds a `!suggest` command that sends suggestions users make to a custom channel, all of this is done easily through the config.yml file that is generated by the plugin, you can seen an example of the file [here](https://github.com/avaire/suggestion-plugin/blob/master/src/main/resources/config.yml).'
+requires: '0.6.32'