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

tldr/screenfetch

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# screenfetch
+
+> Display system information.
+> More information: <https://github.com/KittyKatt/screenFetch>.
+
+- Start `screenfetch`:
+
+`screenfetch`
+
+- Take a screenshot (requires 'scrot'):
+
+`screenfetch -s`
+
+- Specify distribution logo:
+
+`screenfetch -A '{{distribution_name}}'`
+
+- Specify distribution logo and text:
+
+`screenfetch -D '{{distribution_name}}'`
+
+- Strip all color:
+
+`screenfetch -N`