feat: add svgz and tmpl icons (#587)

* feat: add svgz and tmpl icons

Svgz files are Gzipped compressed SVG files. Template files ending in
tmpl are Chezmoi templates. Let me know if I should use different icons
for these.

* fix: ci

* fix: ci colors

* fix: ci

* Use existing icons and colours for svgz and tmpl

---------

Co-authored-by: Alexander Courtis <[email protected]>

Author: hankertrix

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

@@ -400,6 +400,7 @@ return {
   ["sv"]             = { icon = "󰍛", color = "#019833", cterm_color = "28",  name = "SystemVerilog"              },
   ["svelte"]         = { icon = "", color = "#FF3E00", cterm_color = "196", name = "Svelte"                     },
   ["svg"]            = { icon = "󰜡", color = "#FFB13B", cterm_color = "214", name = "Svg"                        },
+  ["svgz"]           = { icon = "󰜡", color = "#FFB13B", cterm_color = "214", name = "Svgz"                       },
   ["svh"]            = { icon = "󰍛", color = "#019833", cterm_color = "28",  name = "SystemVerilog"              },
   ["swift"]          = { icon = "", color = "#E37933", cterm_color = "166", name = "Swift"                      },
   ["t"]              = { icon = "", color = "#519ABA", cterm_color = "74",  name = "Tor"                        },
@@ -415,6 +416,7 @@ return {
   ["tf"]             = { icon = "", color = "#5F43E9", cterm_color = "93",  name = "Terraform"                  },
   ["tfvars"]         = { icon = "", color = "#5F43E9", cterm_color = "93",  name = "TFVars"                     },
   ["tgz"]            = { icon = "", color = "#ECA517", cterm_color = "214", name = "Tgz"                        },
+  ["tmpl"]           = { icon = "", color = "#DBBD30", cterm_color = "178", name = "Template"                   },
   ["tmux"]           = { icon = "", color = "#14BA19", cterm_color = "34",  name = "Tmux"                       },
   ["toml"]           = { icon = "", color = "#9C4221", cterm_color = "124", name = "Toml"                       },
   ["torrent"]        = { icon = "", color = "#44CDA8", cterm_color = "43",  name = "Torrent"                    },