Fix Homebrew tap instructions

Author: driade

HOMEBREW.md

@@ -3,8 +3,8 @@
 This repository can be used as a Homebrew tap.
 
 ```bash
-brew tap driade/context-editor
-brew install --cask contexteditor
+brew tap driade/context-editor https://github.com/driade/context-editor
+brew install --cask driade/context-editor/contexteditor
 ```
 
 Homebrew will install the signed and notarized app from the matching GitHub release.

README.md

@@ -52,8 +52,8 @@ The current public release is `v0.1.2`.
 ## Homebrew
 
 ```bash
-brew tap driade/context-editor
-brew install --cask contexteditor
+brew tap driade/context-editor https://github.com/driade/context-editor
+brew install --cask driade/context-editor/contexteditor
 ```
 
 This tap installs the notarized app published in GitHub Releases.