ci: Add rich-codex workflow

.github/workflows/rich-codex.yaml

@@ -0,0 +1,31 @@
+name: Rich-codex
+
+on:
+  push:
+    branches-ignore:
+      - "main"
+
+jobs:
+  rich_codex:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out
+        uses: actions/checkout@v4
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Set up python environment
+        uses: actions/setup-python@v5
+        with:
+          cache: poetry
+          python-version: 3.x
+
+      - name: Install dependencies
+        run: poetry install --no-root --sync
+
+      - name: Generate terminal images with rich-codex
+        uses: ewels/rich-codex@v1
+        with:
+          commit_changes: "true"
+          clean_img_paths: ./assets/*.svg