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

tldr/middleman

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# middleman
+
+> Static site generator written in Ruby.
+> More information: <https://middlemanapp.com/>.
+
+- Create a new Middleman project:
+
+`middleman init "{{project_name}}"`
+
+- Start local server for current project on port 4567:
+
+`middleman server`
+
+- Start local server for current project on a specified port:
+
+`middleman server -p "{{port}}"`
+
+- Build the project in the current directory to prepare for deployment:
+
+`bundle exec middleman build`
+
+- Deploy the Middleman project in the current directory:
+
+`middleman deploy`