* Adds a plugins sub-directory
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* Auto-adds plugins/external sub-directories
* Moves plugins/external globbing as to generate plugins/external/cmake
* Removes plugins/external/.gitignore since the directory is generated
* Fixes cmake error
* Moves gitignore for plugins/external to ensure existence for fresh clone
* Adds missing EOF newline
* Adds requested changes
Josh Cooper