Release v1.2.6

Full Changelog: v1.2.5...v1.2.6

• Brought back shell configuration after I accidentally removed it
• Code optimizations
• Running cmdcreate -v now shows the build status
• Added xed as a supported text editor
• Added new dependency:
  • less
• Added new command (doc):
  • Usage:
    • sudo cmdcreate doc <information>
  • View the following documentation references:
    • main (The main README file)
    • changelog (The complete version history of cmdcreate)
    • license (The license for cmdcreate)
    • security (Security information)
    • contributing (Information about contributing)
    • intro (Intro to the documentation)
    • about (About cmdcreate and its purpose)
    • commands (About the current commands in cmdcreate)
    • configurations (Information of configuring cmdcreate)
    • developing (Information on developing cmdcreate)
    • structure (The file structure of cmdcreate)
    • updates (Information on updates)
    • testing (Information about testing the features of cmdcreate)
    • packaging (Information about packaging cmdcreate)
• Retired the following flags for replacement with cmdcreate doc
  • -c/--changelog
    • New usage:
      • cmdcreate doc changelog
  • -l/--license
    • New usage:
      • cmdcreate doc license
• Viewing the changelog and license (along with new the documentation viewer)
  now uses less