feat: add .clangd icon (#625)

* feat: add .clangd icon

* fix typo in CONTRIBUTING.md

* style: remove empty newlines in icons_by_file_extension

* fix: put .clangd after .clang-* in icons_by_filename

---------

Co-authored-by: Alexander Courtis <alex@courtis.org>

Author: antinomie8

CONTRIBUTING.md

@@ -100,7 +100,7 @@ You can automatically fix any style issues via:
 make style-fix
 ```
 
-Please commit all files from `lua/nvim-web-devicons/default/`, `lua/nvim-web-devicons/light/` end `lua/nvim-web-devicons/filetypes.lua`
+Please commit all files from `lua/nvim-web-devicons/default/`, `lua/nvim-web-devicons/light/` and `lua/nvim-web-devicons/filetypes.lua`
 
 ### Validate
 

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

@@ -1,5 +1,4 @@
 return {
-
   ["3gp"]            = { icon = "", color = "#FD971F", cterm_color = "208", name = "3gp"                        },
   ["3mf"]            = { icon = "󰆧", color = "#888888", cterm_color = "102", name = "3DObjectFile"               },
   ["7z"]             = { icon = "", color = "#ECA517", cterm_color = "214", name = "7z"                         },

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

@@ -13,6 +13,7 @@ return {
   [".bashrc"]                    = { icon = "", color = "#89E051", cterm_color = "113", name = "Bashrc"                  },
   [".clang-format"]              = { icon = "", color = "#6D8086", cterm_color = "66",  name = "ClangConfig"             },
   [".clang-tidy"]                = { icon = "", color = "#6D8086", cterm_color = "66",  name = "ClangConfig"             },
+  [".clangd"]                    = { icon = "", color = "#6D8086", cterm_color = "66",  name = "ClangConfig"             },
   [".codespellrc"]               = { icon = "󰓆", color = "#35DA60", cterm_color = "41",  name = "Codespell"               },
   [".condarc"]                   = { icon = "", color = "#43B02A", cterm_color = "34",  name = "Conda"                   },
   [".dockerignore"]              = { icon = "󰡨", color = "#458EE6", cterm_color = "68",  name = "Dockerfile"              },