feat: Add .taskmaster directory (#619)

.taskmaster/tasks/task_082.txt

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+# Task ID: 82
+# Title: Introduce Prioritize Command with Enhanced Priority Levels
+# Status: pending
+# Dependencies: None
+# Priority: medium
+# Description: Implement a prioritize command with --up/--down/--priority/--id flags and shorthand equivalents (-u/-d/-p/-i). Add 'lowest' and 'highest' priority levels, updating CLI output accordingly.
+# Details:
+The new prioritize command should allow users to adjust task priorities using the specified flags. The --up and --down flags will modify the priority relative to the current level, while --priority sets an absolute priority. The --id flag specifies which task to prioritize. Shorthand equivalents (-u/-d/-p/-i) should be supported for user convenience.
+
+The priority levels should now include 'lowest', 'low', 'medium', 'high', and 'highest'. The CLI output should be updated to reflect these new priority levels accurately.
+
+Considerations:
+- Ensure backward compatibility with existing commands and configurations.
+- Update the help documentation to include the new command and its usage.
+- Implement proper error handling for invalid priority levels or missing flags.
+
+# Test Strategy:
+To verify task completion, perform the following tests:
+1. Test each flag (--up, --down, --priority, --id) individually and in combination to ensure they function as expected.
+2. Verify that shorthand equivalents (-u, -d, -p, -i) work correctly.
+3. Check that the new priority levels ('lowest' and 'highest') are recognized and displayed properly in CLI output.
+4. Test error handling for invalid inputs (e.g., non-existent task IDs, invalid priority levels).
+5. Ensure that the help command displays accurate information about the new prioritize command.