Add dedicated changelog

CHANGELOG.md

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+# CHANGELOG
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) 
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+<!-- Template
+### Fixed
+### Added
+### Changed
+### Security
+### Deprecated
+### Removed
+-->
+
+## Unreleased
+
+<!--
+### Fixed
+### Added
+### Changed
+### Security
+### Deprecated
+### Removed
+-->
+
+## [5.1.1] - 2022-11-03
+
+### Fixed
+
+* A formatting issue related to -v 10 option has been fixed.
+
+## [5.1] - 2022-10-31
+
+### Added
+
+* Introduces thirteen options related to InQuest Labs.
+
+### Fixed
+
+* Fix an issue related to -b 6 option from ThreatFox.
+
+## [5.0.3] - 2022-06-29
+
+### Added
+
+* Includes the possibility of getting information from 
+* Includes macOS as operating system supported to run Malwoverview.
+  Hybrid-Analysis using a SHA256 hash or the malware file.
+
+### Removed
+
+* Removes all options related to ThreatCrowd.
+
+### Fixed
+
+* Fix an issue related to downloading from Malshare.
+
+## [5.0.2] - 2022-03-29
+
+### Fixed
+
+* Includes a small fix for options -v 1 and -v 8. 
+
+## [5.0.0] - 2022-03-17
+
+### Added
+
+* Includes upgrades of all Virus Total options from API v.2 
+  to API v.3.
+* Introduces a new option to check hashes within a given
+  file using Virus Total.
+* Introduces a new option to submit large files (>= 32 MB) to
+  Virus Total.
+* Introduces a new purpose for -D option.
+
+### Changed
+
+* Changes all Virus Total options.
+* Changes all Malshare options.
+* Inverts Malpedia options ("m" and "M") purposes.
+* Changes all URLhaus options.
+* Changes all Polyswarm options.
+* Changes -d option to Virus Total APIi v.3 with a new content.
+* Upgrades, fixes and merges Android options.
+* Updates Android options to Android 11 version.
+* Swaps options -q and -Q from Threatcrowd.
+* Changes configuration, setup and requirement files.
+
+### Removed
+
+* Removes Malshare option to check a binary.
+* Removes all Valhalla options completely.
+* Removes -g option.
+* Removes -S and -z options.
+* Removes -t and T options.
+* Removes several support functions.
+* Removes many option's letters used in previous versions.
+
+### Fixed
+
+* Fixes and changes Hybrid Analysis options.
+* Fixes tag option from Triage.
+* Fixes URL formatting issues from URLhaus.
+* Fixes several color issues.
+* Fixes descriptions.