Update cheatsheets

tldr/aider

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# aider
+
+> Pair program with the LLM of your choice.
+> More information: <https://github.com/Aider-AI/aider>.
+
+- Start a new project or work with an existing code base:
+
+`aider --model {{model_name}} --api-key {{your_api_key}}`
+
+- Add new features or test cases to specific files:
+
+`aider {{path/to/file1 path/to/file2 ...}}`
+
+- Describe a bug and let `aider` fix it:
+
+`aider {{path/to/file}} --describe "{{bug_description}}"`
+
+- Refactor code in a specific file:
+
+`aider {{path/to/file}} --refactor`
+
+- Update documentation:
+
+`aider {{path/to/file}} --update-docs`
+
+- Display help:
+
+`aider --help`