Explain this project a bit in README

README.md

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+# Post
+
+Some code to formalize parsing POST data and generating HTML forms.
+This is made as an attempt to de-duplicate code around generating forms with pre-existing data filled in.
+
+There is no templating included, the final step for HTML generation must be done by the parent application.
+An example parent application is given in `test.php`.
+
+Due to a lack of useful documentation, `test.php` is also the reference implementation.
+
+Testing is done by clicking around in `test.php`.
+
+# Dependencies
+
+- session_start() needs to be called from the parent application
+- openssl is required for CRSF token generation
+- class autoloading needs to be done from parent application