Remove `cheatsheets` directory

diff --git a/doc/cheatsheets/c64.md b/doc/c64.md
similarity index 100%
rename from doc/cheatsheets/c64.md
rename to doc/c64.md

diff --git a/doc/cheatsheets/docker.md b/doc/docker.md
similarity index 100%
rename from doc/cheatsheets/docker.md
rename to doc/docker.md

diff --git a/doc/cheatsheets/git.md b/doc/git.md
similarity index 100%
rename from doc/cheatsheets/git.md
rename to doc/git.md

diff --git a/doc/cheatsheets/paths.md b/doc/paths.md
similarity index 100%
rename from doc/cheatsheets/paths.md
rename to doc/paths.md

diff --git a/doc/cheatsheets/raspberry-pi.md b/doc/raspberry-pi.md
similarity index 100%
rename from doc/cheatsheets/raspberry-pi.md
rename to doc/raspberry-pi.md

diff --git a/doc/cheatsheets/rstudio.md b/doc/rstudio.md
similarity index 100%
rename from doc/cheatsheets/rstudio.md
rename to doc/rstudio.md

diff --git a/doc/cheatsheets/setup-i3.md b/doc/setup-i3.md
similarity index 100%
rename from doc/cheatsheets/setup-i3.md
rename to doc/setup-i3.md

diff --git a/doc/cheatsheets/vi.md b/doc/vi.md
similarity index 100%
rename from doc/cheatsheets/vi.md
rename to doc/vi.md