updated the URL to the git repo

Author: jashmenn

_params.yaml

@@ -9,7 +9,7 @@ fileMetaKeyHeadingsAllowed: true
 containerintro: 'partials/series/30-days-of-react/what-is-this.html'
 containerfooter: 'partials/series/30-days-of-react/postcontents.html'
 bodyClasses: thirty-days landingpage
-editOnGithubUrl: __GITHUB_REPO__/blob/__PERMALINK__/post.md
+editOnGithubUrl: __GITHUB_REPO__/blob/master/day-__DAY_DIR__/post.md
 githubRepo: https://github.com/fullstackreact/30-days-of-react
 articleEntry: '30-days-of-react/__PERMALINK__-code/index'
 codeRoot: '__FILE_PATH__/code/__DAY_DIR__'