docs: fix README discrepancies and cleanup outdated docs

Cargo.toml

@@ -3,6 +3,7 @@ name = "gitbot"
 version = "0.1.0"
 edition = "2021"
 description = "A GitLab bot that responds to mentions using AI"
+license = "MIT"
 
 [dependencies]
 tokio = { version = "1", features = ["macros", "rt-multi-thread"] }

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 GitBot Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -171,6 +171,7 @@ GitBot supports extensive configuration through command line arguments or enviro
 1. **Set up the bot**: Configure GitBot with your GitLab and LLM API credentials
 2. **Add to repositories**: Ensure the bot user has access to the repositories you want to monitor
 3. **Mention the bot**: Use `@your-bot-username` in issue or MR comments to trigger responses
+   - **Note**: Commands must follow the mention (e.g., `@gitbot /plan`, not `/plan @gitbot`)
 4. **Get AI assistance**: The bot will analyze the context and provide intelligent responses
 
 ### Example Interactions