Add Elixir Heex templates (file-icons#863)

Author: aj-foster

CHANGELOG.md

@@ -10,7 +10,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ----------------------
 ### Added
 - **New icons:** Art Text 4 (`.art4` directories), Bikeshed (`.bs`), dotenv (`.env{,.*}`), Figma (`.figma`), Imgbot (`.imgbotconfig`), Mint (`.mint`), PhotoRec (`.photorec.cfg`), ShellCheck (`.shellcheckrc`), Sponge-powered Mixin (`.mixin{,s}.json`), Windi CSS (`windi.config.{ts,js}`)
-- **Support:** Appcelerator Titanium (`.tss`), BC (`.bc`, `bc.library`), Checksum lists (`{.,}{check,ck,crc{,32},md5,rmd160,sha{1..3,224,384,512}}sum{,s}`), DC (`.dc`, `.dcrc`), Database (`.tgn`), EditorConfig (`.ecrc`), Generic (`.ed`), Git (`.lfsconfig`), Grammar (`.grammar`), Mail (`.eml`, `.mbox`, `.mbx`), Maps (`.mapping`, `.tiny`, `.tinyv2`, `.enigma`, `.match`, `.unpick`), PEG.js (`.peggy`), Roff (`*.cstr`, `cstr.54`, `indep_tr`), TextMate (`.tm_properties`, `.tmProperties`), Units (`units.dat`, `unittab`), XML (`.xmp`), Yacc (`.ypp`)
+- **Support:** Appcelerator Titanium (`.tss`), BC (`.bc`, `bc.library`), Checksum lists (`{.,}{check,ck,crc{,32},md5,rmd160,sha{1..3,224,384,512}}sum{,s}`), DC (`.dc`, `.dcrc`), Database (`.tgn`), EditorConfig (`.ecrc`), Elixir (`.heex`, `.html.heex`), Generic (`.ed`), Git (`.lfsconfig`), Grammar (`.grammar`), Mail (`.eml`, `.mbox`, `.mbx`), Maps (`.mapping`, `.tiny`, `.tinyv2`, `.enigma`, `.match`, `.unpick`), PEG.js (`.peggy`), Roff (`*.cstr`, `cstr.54`, `indep_tr`), TextMate (`.tm_properties`, `.tmProperties`), Units (`units.dat`, `unittab`), XML (`.xmp`), Yacc (`.ypp`)
 - Improved modeline support for [Less](https://lesscss.org/) stylesheets
 
 ### Fixed

config.cson

@@ -2227,7 +2227,7 @@ fileIcons:
 		icon: "elixir"
 		match: [
 			[".ex", "dark-purple", "elixir"]
-			[/\.(exs|l?eex)$/i, "medium-purple"]
+			[/\.(exs|[hl]?eex)$/i, "medium-purple"]
 			[/^mix\.(exs?|lock)$/i, "light-purple"]
 		]
 
@@ -3194,7 +3194,7 @@ fileIcons:
 			[/\.x?html?$/i, "medium-orange", scope: "html.basic", alias: /^(xhtml|htm)$/i, signature: /^<!DOCTYPE\s+html/i]
 			[".cshtml", "medium-red"]
 			[".gohtml", "dark-blue", "gohtml"]
-			[".html.eex", "medium-purple"]
+			[/\.html\.[hl]?eex$/i, "medium-purple"]
 			[".jsp", "medium-purple", scope: "jsp", alias: /^(jsp|Java\s*Server\s*Pages?)$/i]
 			[".jspf", "dark-purple"]
 			[".kit", "medium-green"]