Update metadata and enhance README with plugin settings details

readme.md

@@ -16,6 +16,17 @@ The plugin uses [Utterrrances](https://utteranc.es/) to manage the comments.
 4. Go to your Bludit admin panel and activate the GitHub Comments plugin.
 5. Go to the pluging settings and enter your repository using the format  **OWNER/REPO** . Do not add the url address and double check white spaces.
 
+## Settings
+
+| Setting | Default | Description |
+|---|---|---|
+| Repository | *(empty)* | GitHub repo in `OWNER/REPO` format. Comments are disabled until this is set. |
+| Enable on pages | Enabled | Show comments on regular posts. |
+| Enable on static pages | Enabled | Show comments on static pages. |
+| Enable on sticky pages | Enabled | Show comments on sticky posts. |
+| Follow site theme | Enabled | Reads the `blowdit-theme` cookie and selects `github-light` or `github-dark` automatically. Disable to pick a fixed theme below. |
+| Theme | github-dark | Manual theme override (ignored when Follow site theme is on). |
+
 ## Demo and support
 
 I'm using the plugin in my blog. [Check it out and leave a comment.](https://algzb.com/github-comments-plugin-for-bludit)