Add kitty terminal configuration

Update other stuff

kitty/colors/base16/base16-black-metal-nile-256.conf

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+# Base16 Black Metal (Nile) - kitty color config
+# metalelf0 (https://github.com/metalelf0)
+background #000000
+foreground #c1c1c1
+selection_background #c1c1c1
+selection_foreground #000000
+url_color #999999
+cursor #c1c1c1
+active_border_color #333333
+active_tab_background #000000
+active_tab_foreground #c1c1c1
+inactive_tab_background #121212
+inactive_tab_foreground #999999
+
+# normal
+color0 #000000
+color1 #5f8787
+color2 #aa9988
+color3 #777755
+color4 #888888
+color5 #999999
+color6 #aaaaaa
+color7 #c1c1c1
+
+# bright
+color8 #333333
+color9 #5f8787
+color10 #aa9988
+color11 #777755
+color12 #888888
+color13 #999999
+color14 #aaaaaa
+color15 #c1c1c1
+
+# extended base16 colors
+color16 #aaaaaa
+color17 #444444
+color18 #121212
+color19 #222222
+color20 #999999
+color21 #999999