Merge remote-tracking branch 'bbatsov/master'

* bbatsov/master: (57 commits)
  Update PDF cheatsheet with new Rust bindings
  Add Handlebars .hbs parsing using web-mode
  clarify install docs
  Fix typo
  Extend rust module keybindings (bbatsov#1237)
  Kill obsolete funding channels
  lsp: bind lsp-execute-code-action
  Relax the stalebot config
  Spare good first issues from the wrath of stalebot
  Update the stale bot config
  Enable probot-stale
  Replace usage of `magit-dispatch-popup` with `magit-dispatch`
  Replace the use of `magit-log-popup' with `magit-log' (bbatsov#1231)
  Update installation instruction link for OCaml module
  Fix the link of 'prelude-cheatsheet.pdf'
  Tweak some markup
  Extend the overview
  Describe modules
  Tweak some wording
  Fix a bad merge
  ...