Extract HCL Syntax (#7)

- Update Terraform grammar to latest from hashicorp/vscode-terraform@bb95e28
- Move grammar to standard syntaxes directory
- Extract HCL grammar to dedicated file
- Configure Terraform grammar to inherit from HCL grammar
- Add HCL snapshot tests

Co-authored-by: Daniel Banck <dbanck@users.noreply.github.com>

README.md

@@ -6,6 +6,7 @@ Syntax highlighting files for editors (VSCode, SublimeText, TextMate, etc.) for
 
 By product, format:
 
+* HCL - TextMate
 * Terraform - TextMate
 
 ## What editors this can be used with

package.json

@@ -16,11 +16,11 @@
   "scripts": {
     "check": "prettier --check syntaxes/*.json",
     "format": "prettier --write syntaxes/*.json",
-    "test": "npm run test:grammar && npm run test:snap",
-    "test:grammar": "npm run test:grammar:terraform",
-    "test:grammar:terraform": "npx vscode-tmgrammar-test -s source.terraform -g syntaxes/terraform.tmGrammar.json -t tests/unit/**/*.tf",
-    "test:snap": "npm run test:snap:terraform",
-    "test:snap:terraform": "npx vscode-tmgrammar-snap -s source.terraform -g syntaxes/terraform.tmGrammar.json -t tests/snapshot/**/*.tf"
+    "test": "npm run test:snap",
+    "test:snap": "npm run test:snap:hcl && npm run test:snap:terraform",
+    "test:snap:update": "npm run test:snap:hcl -- -u && npm run test:snap:terraform -- -u",
+    "test:snap:hcl": "npx vscode-tmgrammar-snap -s source.hcl -g syntaxes/hcl.tmGrammar.json -t \"tests/snapshot/hcl/*.hcl\"",
+    "test:snap:terraform": "npx vscode-tmgrammar-snap -s source.hcl.terraform -g syntaxes/terraform.tmGrammar.json  -g syntaxes/hcl.tmGrammar.json -t \"tests/snapshot/terraform/*.tf\""
   },
   "devDependencies": {
     "prettier": "^2.5.1",