Release [RELEASE] v0.0.9 · Unmanic/unmanic

Changes:

Add support for long description in plugins.
Add support for a '.unmanic' file format inside library directories. This file may be used to configure specific settings for Unmanic in the future.
Migrate all web front-end code to NodeJS management.
Update various front-end modules.
Remove unused front-end modules.
Add option for a custom script to be run during the Docker container start. This can be used to install custom dependencies within the container if required.

Fix unicode errors during the library scan process that were causing Unmanic to become unusable on non-Linux OS.
Fix for multiple tasks not able to be added from history list to pending tasks list.