Initialize Obsidian vault

.gitignore

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+# Ignore all Obsidian configuration by default
+.obsidian/*
+
+# Uncomment to sync specific configurations:
+# !.obsidian/app.json
+# !.obsidian/appearance.json
+# !.obsidian/community-plugins.json
+# !.obsidian/core-plugins.json
+# !.obsidian/workspace.json
+
+# System files
+.trash/
+.DS_Store

Docker and Docker compose.md

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+
+### [Install using the `apt` repository](https://docs.docker.com/engine/install/debian/#install-using-the-repository)
+
+Before you install Docker Engine for the first time on a new host machine, you need to set up the Docker `apt` repository. Afterward, you can install and update Docker from the repository.
+
+1. Set up Docker's `apt` repository.
+    
+    ```bash
+    # Add Docker's official GPG key:
+    sudo apt update
+    sudo apt install ca-certificates curl
+    sudo install -m 0755 -d /etc/apt/keyrings
+    sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
+    sudo chmod a+r /etc/apt/keyrings/docker.asc
+    
+    # Add the repository to Apt sources:
+    sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
+    Types: deb
+    URIs: https://download.docker.com/linux/debian
+    Suites: $(. /etc/os-release && echo "$VERSION_CODENAME")
+    Components: stable
+    Signed-By: /etc/apt/keyrings/docker.asc
+    EOF
+    
+    sudo apt update
+    ```
+
+To install the latest version, run:
+
+```console
+ sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+```
+

README.md

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+# obsidian-vault

Welcome.md

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+This is your new *vault*.
+
+Make a note of something, [[create a link]], or try [the Importer](https://help.obsidian.md/Plugins/Importer)!
+
+When you're ready, delete this note and make the vault your own.