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

tldr/sphinx-build

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sphinx-build
+
+> Sphinx documentation generator.
+> More information: <http://www.sphinx-doc.org/en/master/man/sphinx-build.html>.
+
+- Build documentation:
+
+`sphinx-build -b {{html|epub|text|latex|man|...}} {{path/to/source_dir}} {{path/to/build_dir}}`
+
+- Build documentations intended for readthedocs.io (requires the sphinx-rtd-theme pip package):
+
+`sphinx-build -b {{html}} {{path/to/docs_dir}} {{path/to/build_dir}}`