* refactor: 💡 generalize service getters and setters in expressio

* feat: 🎸 create NP-ready plugin for expressions

* refactor: 💡 flatten expressions plugin and remove service

* chore: 🤖 re-export legacy expressions service dir for Lens

* refactor: 💡 don't import renderer registry statically

* test: 💍 mock expressions service renderers registry in Mocha

* refactor: 💡 clean-up NP expressions pugin

* refactor: 💡 move Expression fonts to NP

* refactor: 💡 register Interpreter entities explicitly

* refactor: 💡 move clog Expression function to NP

* refactor: 💡 move font function and style types to NP

* refactor: 💡 remove ui/chrome from kibana_context function

* feat: 🎸 add ability to consume start core from setup life-cycle

* refactor: 💡 move kibana_context function to NP

* feat: 🎸 improve naming and delete import of missing function

* refactor: 💡 register expression clog and font fn in NP

* chore: 🤖 set AppArch as GitHub folder owners

* refactor: 💡 move Expression "kibana" function to NP

* refactor: 💡 move range function to visualizations plugin

* feat: 🎸 move visDimensions to visualizations plugin

* chore: 🤖 delete unused files

* refactor: 💡 move expression type registration to NP

* refactor: 💡 move createHandlers() function to NP

* feat: 🎸 move Expression executor to NP

* refactor: 💡 re-implement function registry

* refactor: 💡 convert expression type to class

* fix: 🐛 correct TypeScript errors

* feat: 🎸 convert Expressions type registry to class

* feat: 🎸 convert render function registry to class

* fix: 🐛 fix TypeScript errors

* fix: 🐛 fix translations after refactor

* refactor: 💡 move Expression types to NP

* test: 💍 remove unused test

* fix: 🐛 fix Lens import after merge with master

* fix: 🐛 fix TypeScript errors

* refactor: 💡 update expression types

* test: 💍 fix renderer test