feat(lang): add alias dockerfile -> docker (#444)

Author: ezracelli

docs/languages.md

@@ -85,7 +85,7 @@ export type Lang =
   | 'dart'
   | 'dax'
   | 'diff'
-  | 'docker'
+  | 'docker' | 'dockerfile'
   | 'dream-maker'
   | 'elixir'
   | 'elm'

packages/shiki/src/languages.ts

@@ -35,7 +35,7 @@ export type Lang =
   | 'dart'
   | 'dax'
   | 'diff'
-  | 'docker'
+  | 'docker' | 'dockerfile'
   | 'dream-maker'
   | 'elixir'
   | 'elm'
@@ -374,7 +374,8 @@ export const languages: ILanguageRegistration[] = [
     id: 'docker',
     scopeName: 'source.dockerfile',
     path: 'docker.tmLanguage.json',
-    samplePath: 'docker.sample'
+    samplePath: 'docker.sample',
+    aliases: ['dockerfile']
   },
   {
     id: 'dream-maker',

scripts/grammarSources.ts

@@ -314,6 +314,7 @@ export const languageAliases = {
   clojure: ['clj'],
   codeql: ['ql'],
   csharp: ['c#', 'cs'],
+  docker: ['dockerfile'],
   erlang: ['erl'],
   fsharp: ['f#', 'fs'],
   haskell: ['hs'],