feat: Final openCV assignment

.fish/readme.norg

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+* Exported Fish Environment: ros2-pass-2
+This directory contains a self-contained fish environment.
+
+** Files Structure
+   @code
+   .fish/
+   |-- activate.fish
+   |-- readme.norg
+   |-- bin/
+   @end
+
+** Usage
+
+*** Automatic Activation (Recommended)
+    The environment will automatically activate when you `cd` into this directory
+    if your Fish shell is configured with the auto-activation script.
+
+    @code fish
+    function check_and_source_activate
+      if test -f (pwd)/.fish/activate.fish
+        source (pwd)/.fish/activate.fish
+      elif test -f (pwd)/activate.fish
+        source (pwd)/activate.fish
+      end
+    end
+
+    function cd
+      builtin cd $argv && check_and_source_activate
+    end
+    @end
+
+*** Manual Activation
+    To manually activate the environment, run from the project root:
+    @code bash
+    source ./.fish/activate.fish
+    @end
+
+*** Deactivation
+    To deactivate the environment, run:
+    @code bash
+    env deactivate
+    @end
+
+    Or simply `cd` to a different directory if using auto-activation.
+
+** What This Environment Provides
+   - Prompt showing the environment name
+   - Environment-specific aliases and functions
+   - Custom environment variables
+   - Automatic cleanup when deactivated
+
+** Requirements
+   - Fish shell
+   - `bass` plugin (`fisher install edc/bass`) for compatibility with bash scripts
+
+** Sharing
+   This environment is completely self-contained. You can:
+   - Copy this directory to another machine
+   - Share it with others
+   - Version control it with your project (add .fish/ to your repo)