chore: use `semantic-release` cross-formula standard structure

* Automated using `ssf-formula` (v0.1.0-rc.1)

# [0.37.0](https://github.com/saltstack-formulas/php-formula/compare/v0.36.0...v0.37.0) (2019-07-09)

### Bug Fixes

* **mods:** fixup for [#181](https://github.com/saltstack-formulas/php-formula/issues/181) ([e2d7b4b](https://github.com/saltstack-formulas/php-formula/commit/e2d7b4b))

### Features

* **mods:** added some mods support for FreeBSD ([3f6c0bc](https://github.com/saltstack-formulas/php-formula/commit/3f6c0bc))

fix(mods): fixup for #181

feat(mods): added some mods support for FreeBSD

# [0.36.0](https://github.com/saltstack-formulas/php-formula/compare/v0.35.1...v0.36.0) (2019-06-29)

### Documentation

* **readme:** update with modules, bz2 & dba ([5e04187](https://github.com/saltstack-formulas/php-formula/commit/5e04187))

### Features

* add 'bz2' and 'dba' module support ([758ae88](https://github.com/saltstack-formulas/php-formula/commit/758ae88))

add 'bz2' and 'dba' module support

## [0.35.1](https://github.com/saltstack-formulas/php-formula/compare/v0.35.0...v0.35.1) (2019-06-28)

### Documentation

* merge latest changes from `template-formula` ([4af569a](https://github.com/saltstack-formulas/php-formula/commit/4af569a)), closes [#179](https://github.com/saltstack-formulas/php-formula/issues/179)

docs: merge latest changes from `template-formula`

* Completes #179
* Fix testing on `develop` images and enable in the matrix

# [0.35.0](https://github.com/saltstack-formulas/php-formula/compare/v0.34.0...v0.35.0) (2019-06-27)

### Features

* **semantic-release:** add support of semantic-release ([cdd206a](https://github.com/saltstack-formulas/php-formula/commit/cdd206a))

feat(semantic-release): add support of semantic-release

php.ng.modules

Convert module to string before appending it to the base path to search for
existing modules...

Fix "Invalidly formatted 'pkgs' parameter." error with php-readline

fpm: don't extend pool-dependency if no pool

Fix Backward compatibility problem

Add enablerepo option to php-salt-formula

Remove env from ppa definition

Add msgpack and igbinary packages

Fix/fpm freebsd

php.ng.fileinfo & php.ng.tokenizer

Updated readme with missing modules

Handle different scl/legacy php naming for opcache.

When running on CentOS or RHEL the opcache package under php 5.4
us named php-pecl-zendopcache.
When using a newer PHP version like 5.6, 7.0 or 7.1 the package
is named slightly different though: php-opcache.

Take this into account.