trigger branch creation during new commit in webide

Instead of manually creating an empty branch and triggering a useless CI
build.

service/blog.md

@@ -8,40 +8,34 @@ title: Blog
 
 ## How to write a new blog post
 
-### Create a new branch
+### Enter the Web IDE
 
-#### 1. Navigate to the GitLab blog project at https://gitlab.torproject.org/tpo/web/blog/-/branches
+#### 1. Navigate to the GitLab blog project at https://gitlab.torproject.org/tpo/web/blog
 
-  * To create a new branch, your account will require `Developper` permissions
-    on the project
+  * We'll create a new branch in the repository, so your account will require
+    `Developper` permissions in the project
 
-#### 2. Click the blue `New branch` button on the top left corner of the page
-
-#### 3. Enter a short name for the branch, without spaces
-
-  * `Create from` should specify `main`
-
-### Edit the content file
-
-#### 4. Click the `Web IDE` button just above the file listing
+#### 2. Click the `Web IDE` button just above the file listing
 
   * The GitLab Web IDE allows you to create a new commit right in your browser,
     without the `git` command-line client
 
-#### 5. On the left column, click the `New Directory` icon
+### Edit the content file
+
+#### 3. On the left column, click the `New Directory` icon
 
-#### 6. Enter `content/blog/<blog-post-slug>`
+#### 4. Enter `content/blog/<blog-post-slug>`
 
   * `<blog-post-slug>` will constitute the URL part after
     `https://blog.torproject.org/` (also called the permalink)
 
-#### 7. In the left column still, navigate to the new directory and open the drop-down menu to the right of the new directory item
+#### 5. In the left column still, navigate to the new directory and open the drop-down menu to the right of the new directory item
 
-#### 8. Click `New file` to create a new file in that directory
+#### 6. Click `New file` to create a new file in that directory
 
-#### 9. Enter `contents.lr` as the new file name
+#### 7. Enter `contents.lr` as the new file name
 
-#### 10. In the text editor which appears, draft the new blog post
+#### 8. In the text editor which appears, draft the new blog post
 
   * Required fields are `title`, `author`, `pub_date`, `summary` and `body` and
     `categories` ([sample contents.lr](#sample-contentslr))
@@ -55,7 +49,7 @@ title: Blog
 
 ### Upload images and/or attachments
 
-#### 11. Upload the lead image and any other images or attachments in the same directory
+#### 9. Upload the lead image and any other images or attachments in the same directory
 
   * The lead image must be uploaded as `lead.png`, `lead.jpg` or `lead.gif`
 
@@ -72,14 +66,16 @@ title: Blog
 
 ### Create a new commit
 
-#### 12. When finished drafting the new blog post, click `Commit..`
+#### 10. When finished drafting the new blog post, click `Commit..`
 
   * Look for a blue button in the lower-left corner
 
-  * The `Commit to <branchname> branch` and `Start new merge request` options
-    should remain selected
+  * Ensure `Create a new branch` is selected and (optionally) enter a branch
+    name in the field below (eg. `nov-2021-yec-post`)
+
+  * Ensure `Start new merge request` is checked
 
-#### 13. Click once more the `commit` button
+#### 11. Click once more the `Commit` button
 
   * Prefix the Merge request title with `Draft:` to indicate the post is not yet
     ready to be merged
@@ -90,12 +86,12 @@ title: Blog
   * Once the build is ready, a `View app` button should appear in the merge
     request: clicking this link will open a browser tab to the preview URL
 
-#### 14. Add more commits if any changes or adjustments are needed
+#### 12. Add more commits if any changes or adjustments are needed
 
   * New commits on the branch will automatically trigger a new preview build and
     deployment
 
-#### 15. Once the blog post is finalized, retitle the Merge request to remove the `Draft:` prefix
+#### 13. Once the blog post is finalized, retitle the Merge request to remove the `Draft:` prefix
 
   * Once the merge request is reviewed and accepted by a project maintainer,
     a full project build will be triggered and deployed to
@@ -109,7 +105,7 @@ title: Blog
 
 ### Comment topic
 
-#### 16. When the blog post is published, visit the page with a javascript-enabled browser
+#### 14. When the blog post is published, visit the page with a javascript-enabled browser
 
   * This will trigger the Discourse forum to create a new topic with the contents
     of the blog post in the [News][] category.