feat: add icons for KiCad files

- Add icon for several KiCad file extensions. Free software suite for
electronic design automation (EDA).
  - `.kicad_pro` Project file, containing settings that are shared
between the schematic and PCB.
  - `.kicad_sch` Schematic files containing all info and the components
themselves.
  - `.kicad_sym` Schematic symbol library file, containing the component
descriptions: graphic shape, pins, fields.
  - `.kicad_pcb` Board file containing all info but the page layout.
  - `.kicad_mod` Footprint files, containing one footprint description
each.
  - `.kicad_dru` Design rules file, containing custom design rules for a
certain .kicad_pcb file.
  - `.kicad_prl` Local settings for the current project; helps Kicad
remember the last used settings such as layer visibility or selection
filter.
  - `.kicad_wks` Page layout (drawing border and title block)
description file.
  - `sym-lib-table` Symbol library table: list of symbol libraries
available in the schematic editor.Board editor files and folders.
  - `fp-lib-table` Footprint library table: list of footprint libraries
available in the board editor.
  - `fp-info-cache` Cache to speed up loading of footprint libraries.
  - Note: Legacy file extensions were ignored, also `.net` and `.cmp`
extensions (kind of generic).

Author: hasecilu

lua/nvim-web-devicons/icons-default.lua

@@ -275,6 +275,18 @@ local icons_by_filename = {
     cterm_color = "185",
     name = "Favicon",
   },
+  ["fp-info-cache"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCadCache",
+  },
+  ["fp-lib-table"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCadFootprintTable",
+  },
   ["gemfile$"] = {
     icon = "",
     color = "#701516",
@@ -467,6 +479,12 @@ local icons_by_filename = {
     cterm_color = "236",
     name = "BSPWM",
   },
+  ["sym-lib-table"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCadSymbolTable",
+  },
   ["tailwind.config.js"] = {
     icon = "󱏿",
     color = "#20c2e3",
@@ -1328,6 +1346,54 @@ local icons_by_file_extension = {
     cterm_color = "140",
     name = "JpegXl",
   },
+  ["kicad_dru"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_mod"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_pcb"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_prl"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_pro"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_sch"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_sym"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
+  ["kicad_wks"] = {
+    icon = "",
+    color = "#ffffff",
+    cterm_color = "231",
+    name = "KiCad",
+  },
   ["ksh"] = {
     icon = "",
     color = "#4d5a5e",

lua/nvim-web-devicons/icons-light.lua

@@ -275,6 +275,18 @@ local icons_by_filename = {
     cterm_color = "58",
     name = "Favicon",
   },
+  ["fp-info-cache"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCadCache",
+  },
+  ["fp-lib-table"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCadFootprintTable",
+  },
   ["gemfile$"] = {
     icon = "",
     color = "#701516",
@@ -467,6 +479,12 @@ local icons_by_filename = {
     cterm_color = "236",
     name = "BSPWM",
   },
+  ["sym-lib-table"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCadSymbolTable",
+  },
   ["tailwind.config.js"] = {
     icon = "󱏿",
     color = "#158197",
@@ -1328,6 +1346,54 @@ local icons_by_file_extension = {
     cterm_color = "96",
     name = "JpegXl",
   },
+  ["kicad_dru"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_mod"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_pcb"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_prl"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_pro"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_sch"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_sym"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
+  ["kicad_wks"] = {
+    icon = "",
+    color = "#333333",
+    cterm_color = "236",
+    name = "KiCad",
+  },
   ["ksh"] = {
     icon = "",
     color = "#3a4446",