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

tldr/autoconf

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# autoconf
+
+> Generate configuration scripts to automatically configure software source code packages.
+> More information: <https://www.gnu.org/software/autoconf>.
+
+- Generate a configuration script from `configure.ac` (if present) or `configure.in` and save this script to `configure`:
+
+`autoconf`
+
+- Generate a configuration script from the specified template; output to `stdout`:
+
+`autoconf {{template-file}}`
+
+- Generate a configuration script from the specified template (even if the input file has not changed) and write the output to a file:
+
+`autoconf --force --output={{outfile}} {{template-file}}`