Small improvements & bugfixes

Changes:

• Added an executable for darwin_arm64 (Apple M1 chip)
• Fixed a typo/bug in the reverseArray function
• Modified the way the statistics command looked (OK records)
• Added an alias for the ok statistics command (ok status)
• Fixed some language/grammar issues
• Fixed a bug where it would print "Error" (twice) if there was no database
• Added a welcome message shown to users running the command for the first time
• Modified the rainbow colors to appear brighter