[TASK] Revise TypoScript code highlighting (#210)

- Remove highlighting of functions
- Remove highlighting of keys in function references
- Add highlighting of EXT: and FILE:EXT: paths

Author: brotkrueml

packages/typo3-docs-theme/resources/languages/typoscript.json

@@ -5,6 +5,11 @@
     "case_insensitive": false,
     "keywords": "ADJUST BOX CASE COA COA_INT CONTENT CROP EFFECT ELLIPSE EMBOSS EXTBASEPLUGIN FILES FLUIDTEMPLATE HMENU IMAGE IMG_RESOURCE LOAD_REGISTER OUTLINE PAGE RECORDS RESTORE_REGISTER SCALE SHADOW SVG TEXT TMENU TMENUITEM USER USER_INT WORKAREA",
     "contains": [
+        {
+            "__comment": "EXT: paths: `EXT:my_extension/Configuration/TypoScript/bar.typoscript` or `FILE:EXT:my_extension/Configuration/TypoScript/myMenu.typoscript`",
+            "className": "bullet",
+            "begin": "(FILE:)?EXT:[A-Za-z0-9_\\-\\/\\.]+"
+        },
         {
             "__comment": "One-line comment: `# Some comment` or `10 = TEXT # Some comment`",
             "className": "comment",
@@ -38,21 +43,6 @@
             "className": "title",
             "begin": "\\b[1-9][0-9]*(?=\\s?\\{)"
         },
-        {
-            "__comment": "Functions: `.stdWrap`",
-            "className": "symbol",
-            "begin": "(?<=\\.)[A-Za-z][A-Za-z0-9_]+"
-        },
-        {
-            "__comment": "Functions: `  stdWrap =` or `  stdWrap {`",
-            "className": "symbol",
-            "begin": "(?<=[\\s{2,}])[A-Za-z][A-Za-z0-9_]+(?=\\s?[\\=|\\{])"
-        },
-        {
-            "__comment": "Key in function references: `data = date : U` (date)",
-            "className": "name",
-            "begin": "(?<=\\=\\s)[a-zA-Z]+(?=\\s\\:)"
-        },
         {
             "__comment": "Condition: `[date(\"j\") == 9]`",
             "className": "meta",
@@ -62,14 +52,24 @@
         {
             "__comment": "Import: `@import 'EXT:my_extension/Configuration/TypoScript/bar.typoscript'`",
             "className": "name",
-            "begin": "@import",
-            "end": "$"
+            "begin": "@import ['\"]",
+            "end": "['\"]$",
+            "contains": [
+                {
+                    "$ref": "#contains.0"
+                }
+            ]
         },
         {
             "__comment": "Import: `<INCLUDE_TYPOSCRIPT: source=\"FILE:EXT:my_extension/Configuration/TypoScript/myMenu.typoscript\">`",
             "className": "name",
             "begin": "<INCLUDE_TYPOSCRIPT:",
-            "end": "$"
+            "end": "$",
+            "contains": [
+                {
+                    "$ref": "#contains.0"
+                }
+            ]
         },
         {
             "__comment": "An ordinary number",