Create readthedocs documentation

Author: steevanb

.readthedocs.yml

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+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+build:
+    os: ubuntu-24.04
+    tools:
+        python: "3.13"
+    jobs:
+        pre_install:
+            - pip install mkdocs-material
+
+mkdocs:
+    configuration: mkdocs.yml

docs/.readthedocs.yaml

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+Hello world!

docs/index.md

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+document.addEventListener("DOMContentLoaded", function(event) {
+    document.querySelector(".md-search__input").addEventListener("focus", (e) => {
+        const event = new CustomEvent("readthedocs-search-show");
+        document.dispatchEvent(event);
+    });
+});

docs/js/readthedocs-search.js

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+site_name: PHP Parallel Processes
+theme:
+    name: material
+site_url: !ENV READTHEDOCS_CANONICAL_URL
+extra_javascript:
+    - js/readthedocs-search.js
+docs_dir: .