Don't use VSCode ESLint experimental flag anymore

[Splines]

Changes

• Don't use ESLint experimental flag anymore (it's now in the official plugin version)
• Add the .docker folder to hidden folders
• Remove custom Ruby LSP command. This was an attempt to mitigate Option to disable ruby-lsp-rails server-dependent addon features [low-prio] Shopify/ruby-lsp-rails#382, however it did not work (or rather was too much effort), so we just don't use the few Ruby LSP server-dependent features (for that we would have to run it inside docker containers) and stick with the static code analysis with is sufficient for us.

[Splines]

Missing anything in terms of settings in VSCode? This might be a good time to add respective settings here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.64%. Comparing base (6bde35d) to head (febae5a).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #662   +/-   ##
=======================================
  Coverage   66.64%   66.64%           
=======================================
  Files         308      308           
  Lines        9386     9386           
=======================================
  Hits         6255     6255           
  Misses       3131     3131           

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