add notes

deno.md

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+making a basic API in deno
+https://blog.logrocket.com/creating-your-first-rest-api-with-deno-and-postgres/

docker.md

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+used to install docker:
+https://docs.docker.com/engine/install/ubuntu/
+
+~~~
+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 repository. Afterward, you can install and update Docker from the repository.
+
+Set up the repository
+Update the apt package index and install packages to allow apt to use a repository over HTTPS:
+
+ sudo apt-get update
+ sudo apt-get install \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release
+Add Docker’s official GPG key:
+
+ sudo mkdir -p /etc/apt/keyrings
+ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+Use the following command to set up the repository:
+
+ echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+Install Docker Engine
+Update the apt package index, and install the latest version of Docker Engine, containerd, and Docker Compose, or go to the next step to install a specific version:
+
+ sudo apt-get update
+ sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
+~~~