added dockerfile icon

icons/docker.xpm

@@ -0,0 +1,97 @@
+/* XPM */
+static char * docker__xpm[] = {
+"16 16 78 1",
+" 	c None",
+".	c #327587",
+"+	c #2D96B3",
+"@	c #2D6A79",
+"#	c #267183",
+"$	c #327A90",
+"%	c #2D7487",
+"&	c #238BA7",
+"*	c #247286",
+"=	c #197D94",
+"-	c #2E8AA5",
+";	c #278198",
+">	c #18839C",
+",	c #28A8D4",
+"'	c #346D81",
+")	c #1B839B",
+"!	c #287F97",
+"~	c #2D89A3",
+"{	c #1C7C93",
+"]	c #257C93",
+"^	c #2D8CA7",
+"/	c #20798F",
+"(	c #237487",
+"_	c #2B9CC5",
+":	c #1A9EC7",
+"<	c #0D9BC5",
+"[	c #2A687A",
+"}	c #306B7F",
+"|	c #1F85A0",
+"1	c #2B8099",
+"2	c #2D87A3",
+"3	c #217F98",
+"4	c #287E96",
+"5	c #2D8BA7",
+"6	c #237D95",
+"7	c #267990",
+"8	c #327B94",
+"9	c #1BA1CB",
+"0	c #1688A8",
+"a	c #217992",
+"b	c #1587A7",
+"c	c #1FBFF5",
+"d	c #25BDF2",
+"e	c #25BEF3",
+"f	c #25BEF4",
+"g	c #25C1F6",
+"h	c #16B9ED",
+"i	c #0D96BD",
+"j	c #206880",
+"k	c #0098C6",
+"l	c #039BC6",
+"m	c #129FC6",
+"n	c #069DC7",
+"o	c #039BC7",
+"p	c #039CC7",
+"q	c #0291BD",
+"r	c #018BB8",
+"s	c #167EA1",
+"t	c #0C8AAE",
+"u	c #218DAD",
+"v	c #3193AF",
+"w	c #0C9EC7",
+"x	c #0293BF",
+"y	c #008BB8",
+"z	c #038BB7",
+"A	c #2A6173",
+"B	c #AFC4C7",
+"C	c #D9EEF0",
+"D	c #6BBFD7",
+"E	c #008EBC",
+"F	c #008FBC",
+"G	c #028DBA",
+"H	c #147A9C",
+"I	c #6B8288",
+"J	c #8FA3A7",
+"K	c #487F90",
+"L	c #18728F",
+"M	c #22687F",
+"                ",
+"                ",
+"                ",
+"      .+        ",
+"   @#$%&        ",
+"   *=-;>    ,'  ",
+"  )!~{]^/(  _:<[",
+" }|1234567 890a ",
+"bcdeeefdefghi   ",
+"jkllmnopppqr    ",
+" stuvwplxyzA    ",
+"  BCDEFEGH      ",
+"   IJKLM        ",
+"                ",
+"                ",
+"                "};

mode-icons.el

@@ -205,6 +205,7 @@ This was stole/modified from `c-save-buffer-state'"
     ("\\`AHK\\'" "autohotkey" xpm)
     ("\\`Info\\'" #xf05a FontAwesome)
     ("\\` Narrow\\'" #xf066 FontAwesome)
+    ("\\`Dockerfile\\'" "docker" xpm)
     (read-only #xf023 FontAwesome)
     (writable #xf09c FontAwesome)
     (save #xf0c7 FontAwesome)