Initial commit.

.env.example

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+# Copy this file to .env and fill in the values. Git does not track .env.
+# To keep the file outside the web root, set XXX_ENV_FILE to its path.
+
+# MySQL connection
+DB_HOST=localhost
+DB_USER=xxx
+DB_PASS=
+DB_NAME=xxx
+
+# Google reCAPTCHA v2 keys (https://www.google.com/recaptcha/admin)
+RECAPTCHA_SITE_KEY=
+RECAPTCHA_SECRET=
+
+# Google Analytics tracking ID. Leave it empty to turn analytics off.
+GOOGLE_ANALYTICS_ID=