Add Filters Lib

[PowerBroker2]

No description provided.

[github-actions]

❌ ERROR: Arduino Lint found errors with https://github.com/PowerBroker2/Filters:

Linting library in Filters
ERROR: Library name Filters is in use by a library in the Library Manager index. Each library must have a unique name   
       value. If your library is already in the index, use the "--library-manager update" flag.                         
       See: https://arduino.github.io/arduino-cli/latest/library-specification/#libraryproperties-file-format           
       (Rule LP017)                                                                                                     

Linter results for project: 1 ERRORS, 0 WARNINGS

-------------------

Linting sketch in Filters/examples/FilterExample

Linter results for project: no errors or warnings

-------------------

Linter results for projects: 1 ERRORS, 0 WARNINGS

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @PowerBroker2
Please resolve the error(s) mentioned in the previous comment.

After resolving the issue, trigger this check again by doing one of the following:

• Commit the required change to the branch you submitted this pull request from.
• Comment here, mentioning @ArduinoBot in the comment.

❗ NOTE: It is not necessary to open a new pull request. ❗

More information:
https://github.com/arduino/library-registry/blob/main/README.md#if-the-problem-is-with-the-pull-request

[PowerBroker2]

@ArduinoBot

[github-actions]

Hello! I'm checking your submission again.

[github-actions]

Your submission has now been accepted! Thanks for your contribution to the Arduino Library Manager index.

The library(s) will be available for installation via Library Manager within a day's time.

You can check the logs from the Library Manager indexer for your library(s) here:
http://downloads.arduino.cc/libraries/logs/github.com/PowerBroker2/Filters/