remove top link and fix headings in readme

readme.md

@@ -34,8 +34,6 @@ Production site: <a target="_blank" href="https://verua.info/" rel="nofollow">ve
 - [Deployment](#deployment)
 - [Development](#development)
 
-[⬆](#table-of-contents)
-
 ## Usage / Update Content
 
 To use the theme, and to update your content, you need to clone the repository, update your content in the `content` folder and push your changes to the main branch which will trigger a deployment.
@@ -148,8 +146,6 @@ Kann ein `Title` - Attribut haben:
 
 `{{% card title="Card Title" %}}`
 
-`
-
 [⬆](#table-of-contents)
 
 ### Columns
@@ -174,7 +170,7 @@ Content
 
 [⬆](#table-of-contents)
 
-## Font-Awesome Icon
+### Font-Awesome Icon
 
 `{{% icon name="user" color="black" size="5xl" %}}`
 
@@ -215,7 +211,7 @@ You can control where the site is deployed by setting the 'environment' variable
 
 This also controls the creation of the robots.txt file. If the value is `development`, the robots.txt file will be created with the following content:
 
-```
+```r
 User-agent: *
 Disallow: /
 ```