feat: Add Ollama installation instructions

Author: ttpho

file2.md

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+### Installation
+
+- [Olama](https://ollama.com/download)
+
+- [Ollama Model](https://ollama.com/library/gemma3)
+
+This script currently uses the `gemma3:4b` model.
+
+```
+ollama run gemma3:4b
+```
+
+- [Python Ollama](https://github.com/ollama/ollama-python) 
+```
+pip install ollama
+```

file_1.txt

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+Contributions and ideas are welcome, such as:
+
+- Modifying the prompt, model, or LLM provider.
+
+- Generating commit messages for individual files or a single message for all files.
+
+- Optimize or refactor...