* created new JsonTemplate component
* used JsonTemplate in modal PolicyTemplate to replace code there
* renamed component and fixed when the editor content shows up
* changed PolicyForm to render example modal only conditionally. added desription to policy-example.js
* fixed bug in policy-example.js & edited description of that file, removed functionality from policy-template.js (it is already in policy-example.js)
* changed margin on text to better match Figma design, added example modal for when editing a policy
* added tests for PolicyExample in policy-example-tests
* added PolicyForm tests for (1) cancelling the creation/edit of policy and (2) properly rendering the policy example modal
* add changelog
* clean up code by removing unnecessary comments
* changed a conditional in policy-form.hbs for better readability (Kianna's comment)
* fixed description in policy-example.js, changed wording for RGP example, changed wording in policy-form-test.js
* added 2 more asserts in policy-form-test.js. Changed some naming for selectors in the test file
* added EGP policy to PolicyExample component, moved some functionality from .hbs to .js file and vise versa
* added tests to policy-exammple-test.js and policy-form-test.js to account for new EGP policy
* simplified all PolicyExample tests in policy-exmaple-test.js
* removed beforeEach hook in policy-exmaple-test.js
