Remove left margin from application page headers

[andrewtavis]

Terms

• I have searched open and closed feature requests
• I agree to follow Scribe-Android's Code of Conduct

Description

One thing that's needed for the application is for the page headers to be aligned with the rest of the page content. As shown below, there's a slight left margin that's applied to the page header, which is further applied to back buttons:

Within the following image, the section header Functionality further has the margin, as does the back button:

This issue would remove this margin from the app page headers and back buttons so they're aligned with the start of the white/black sections.

Contribution

Happy to support someone with this and review the changes! This is a great good first issue for someone wanting to get into Scribe-Android development 😊