Move pages under tldr, lint run.sh, update docs

tldr/linux/swaylock

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# swaylock
+
+> Screen locking utility for Wayland compositors.
+> More information: <https://manned.org/swaylock>.
+
+- Lock the screen showing a white background:
+
+`swaylock`
+
+- Lock the screen with a simple color background (rrggbb format):
+
+`swaylock --color {{0000ff}}`
+
+- Lock the screen to a PNG background:
+
+`swaylock --image {{path/to/file.png}}`
+
+- Lock the screen and disable the unlock indicator (removes feedback on keypress):
+
+`swaylock --no-unlock-indicator`
+
+- Lock the screen and don't hide the mouse pointer:
+
+`swaylock --pointer {{default}}`
+
+- Lock the screen to a PNG background tiled over all monitors:
+
+`swaylock --image {{path/to/file.png}} --tiling`
+
+- Lock the screen and show the number of failed login attempts:
+
+`swaylock --show-failed-attempts`
+
+- Load configuration from a file:
+
+`swaylock --config {{path/to/config}}`