Add README for wp-config

Author: szepeviktor

wp-config/README.md

@@ -0,0 +1,17 @@
+# WordPress configuration skeleton.
+
+https://codex.wordpress.org/Editing_wp-config.php
+
+## Sections
+
+- Shared hosting shortcomings.
+- Composer autoloader.
+- PHP rate limiter.
+- Security.
+- Core constants.
+- Multisite.
+- Plugins constants.
+- Database.
+- Salts.
+- Absolute path to the WordPress directory.
+- Sets up WordPress vars and included files.