ci: Avoid running for PRs that start with docs

We skip commits that start with `doc:` when generating the CHANGELOG
from the commit history. Similarly we shouldn't trigger any go testing
for those commits.

Author: jorgelbg

.github/workflows/main.yml

@@ -9,6 +9,7 @@ on:
 jobs:
   # Run tests.
   test:
+    if: ${{ !contains(github.event.head_commit.message, 'docs') }}
     strategy:
       matrix:
         go-version: [1.16.x]

README.md

@@ -8,7 +8,7 @@ Custom GPG pinentry program for macOS that allows using Touch ID for fetching th
 macOS keychain.
 
 > Macbook Pro devices without Touch ID are currently not supported. These devices > lack a Touch ID
-> sensor and while the alternative offered by Apple is to use (if available) an > Apple Watch, this
+> sensor and while the alternative offered by Apple is to use (if available) an Apple Watch, this
 > feature it is not yet implemented.
 
 ## How does it work