feat: add script and GitHub action to generate CSV fr GPT

.github/workflows/update-extensions.yml

@@ -0,0 +1,14 @@
+name: Update extensions_generated_for_gpt.csv
+on: [workflow_dispatch, push, pull_request]
+jobs:
+  update-readme:
+    name: Update extensions_generated_for_gpt.csv
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run csv generator
+        run: |
+          php csv2gpt.php resources.csv extensions_generated_for_gpt.csv
+          git config user.name "GitHub Actions"
+          git config user.email github-actions@github.com
+          if [[ `git status --porcelain` ]]; then git add . && git commit -m "extensions.csv updated by action" && git push; fi

csv2gpt.php

@@ -0,0 +1,50 @@
+<?php declare(strict_types=1); 
+
+/**
+ * This script generates a CSV containing just the Extensions to feed GPT
+ */
+if (!isset($argv[2])) {
+  echo "Usage: php csv2gpt.php input_file output_file.csv" . PHP_EOL;
+  exit(1);
+}
+
+$csv = $argv[1];
+if (!file_exists($csv)) {
+  echo "File not found: $csv" . PHP_EOL;
+  exit(1);
+}
+
+$outfile = $argv[2];
+if ($csv == $outfile) {
+  echo "Cannot write on input file!" . PHP_EOL;
+  exit(1);
+}
+
+$contents = [
+    ['Extension name', 'Extension URL', 'Extension Description']
+];
+$topic = '';
+$prevtopic = '';
+if (($handle = fopen($csv, "r")) !== false) {
+    while (($data = fgetcsv($handle, 1000, ",")) !== false) {
+        list($topic, $_, $name, $url, $description) = $data;
+
+        if ($topic !== 'Extensions' ) {
+            continue;
+        }
+
+        $contents[] = [
+            $name,
+            $url,
+            $description,
+        ];
+    }
+    fclose($handle);
+}
+#print_r($contents);
+
+$handle = fopen($outfile, 'w');
+foreach ($contents as $content) {
+    fputcsv($handle, $content);
+}
+fclose($handle);