fix(docs): remove hardcoded config path references

The config location is platform-dependent via directories::ProjectDirs.
Replaced hardcoded ~/.config/commitbee paths with references to
commitbee init and commitbee doctor for discovering the actual path.

Author: Sephyi

CLAUDE.md

@@ -46,7 +46,7 @@ commitbee config       # Show current configuration
 
 ## Config
 
-Location: `~/.config/commitbee/config.toml`
+Location: platform-dependent (use `commitbee init` to create, `commitbee doctor` to show path)
 
 ```toml
 provider = "ollama"

README.md

@@ -78,7 +78,7 @@ That's it. CommitBee works with zero configuration if Ollama is running locally.
 
 ## 🔧 Configuration
 
-CommitBee looks for configuration at `~/.config/commitbee/config.toml`. Create one with:
+CommitBee stores configuration in a platform-specific directory. Create a config with:
 
 ```bash
 commitbee init