Template texts updated

Mainly removes the notion that Remmina isn't maintained, and tries to maintain the idea that any help is beneficial.

Description

Related Issue

Motivation and Context

Saw this in a filed bug-report

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.