Update -> add new log and analytices users

database/analytics_migration.sql

@@ -0,0 +1,17 @@
+-- analytics table: tracks all user actions
+CREATE TABLE IF NOT EXISTS analytics (
+    id           BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+    event        VARCHAR(50)     NOT NULL COMMENT 'paste_created, paste_viewed, paste_unlocked, paste_failed_password, paste_expired, paste_not_found, decrypt_error',
+    paste_id     CHAR(32)        DEFAULT NULL COMMENT 'related paste ID if applicable',
+    ip           VARCHAR(45)     NOT NULL DEFAULT '',
+    user_agent   VARCHAR(512)    DEFAULT NULL,
+    referer      VARCHAR(512)    DEFAULT NULL,
+    extra        JSON            DEFAULT NULL COMMENT 'expire_time, char_count, has_password, source, etc.',
+    created_at   DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    PRIMARY KEY (id),
+    INDEX idx_event      (event),
+    INDEX idx_paste_id   (paste_id),
+    INDEX idx_ip         (ip),
+    INDEX idx_created_at (created_at)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;