v0.2.0

changes:

• allow skip nonfloating window in focus_iter: #80
• enhance switch_mode, allow multiple way to automatically quit mode: #83
• add command line options: #88
• add man page: #87 #91 #92 , thanks @gnuunixchad
• add more mouse button: #90 , thanks @benpz
• fix bar scale error: #96
• support bind window to specify output in window rule: #98
• add window attach mode: #100
• support per output layout configuration: #102
• add output rule: #103
• add solid color background: #104
• fix some configuration error: #109
• support next/prev all/occupied/unoccupied tags: #110
• fill box on bar only when the window focused: #114