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

tldr/linux/mate-screenshot

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# mate-screenshot
+
+> Make screenshots in MATE desktop environment.
+> More information: <https://manned.org/mate-screenshot>.
+
+- Create a fullscreen screenshot:
+
+`mate-screenshot`
+
+- Create an active window screenshot:
+
+`mate-screenshot --window`
+
+- Create a specific area screenshot:
+
+`mate-screenshot --area`
+
+- Create a screenshot interactively:
+
+`mate-screenshot --interactive`
+
+- Create a screenshot without borders:
+
+`mate-screenshot --window --remove-border`
+
+- Create a screenshot with a specific effect:
+
+`mate-screenshot --effect={{shadow|border|none}}`
+
+- Create a screenshot with a specific delay in seconds:
+
+`mate-screenshot --delay={{5}}`