unignored docs folder

docs/deploy_changes.md

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+# How to deploy code and config changes
+
+## Before deploying, ensure that on your local site:
+* Both modules are fully committed and pushed
+* Config is exported
+* You have run `composer update`
+* Composer repo is fully committed and pushed, including any new config files
+
+
+## Deployment
+* Pull the composer repo to the staging site (this should be CI when pushing to staging branch)
+* `composer install`
+* `drush config:import --source ../config`
+* Test - see manual_tests.md
+* Deploy to live by same method (this should be CI when pushing to live branch)