Add folder for Pipes, Services, Interceptors, Providers from Angular

[sebastiandotdev]

Description

Hi @miguelsolorio, In this PR you sent the angular icons.

Issue

Resolves #193

Preview

https://github.com/miguelsolorio/vscode-symbols/assets/116913262/818fae02-a1c7-4d02-a77d-2325c95da386

My opinion

Honestly, I didn't like the way the interceptors folder looked too small, everything was taken from Figma. I tried to make it not blurry, but it made it worse 😂, take a look and tell me what you think.