Explain the usage in the readme

README.md

@@ -14,4 +14,56 @@ curl https://raw.githubusercontent.com/itmarck/deploy.sh/main/install.sh | bash
 
 ## Usage
 
-TBD
+```
+Usage: deploy [OPTION]... [REPOSITORY]...
+```
+
+### Guide to use
+
+Basic instructions to start using the command.
+
+```bash
+# List available repositories
+deploy
+
+# Add a repository where REPOSITORY is the path to the repository
+deploy --add REPOSITORY
+
+# Run a deployment file by repository name
+# To specify the deployment file, use the --file option
+deploy REPOSITORY
+
+# Remove a repository by name
+deploy --remove REPOSITORY
+
+# Remove all repositories
+deploy --clean
+
+# Show command version
+deploy --version
+
+# Show command help
+deploy --help
+```
+
+### Flags
+
+Available flags to use with the command.
+
+```
+  -a, --add                  Add REPOSITORY to the list
+  -c, --clean                Clean all repositories
+  -f, --file                 Specify the deployment filename (default: deploy.sh)
+  -r, --remove               Remove the REPOSITORY
+  -v, --verbose              Print verbose output
+      --help                 Show this help information
+      --version              Show command version
+```
+
+## Updating
+
+The installation process use a detailed copy of the repository and it doesn't override the data storaged. So you can safely update by running the `install.sh` file again or by running the installation command specified above.
+
+## Uninstalling
+
+To uninstall the command, just remove the `deploy` file and the `.deploy` folder from `/usr/local/bin` folder.