➕ Adds Upstream Grammar from uwol/proleap-vb6-parser

https://github.com/uwol/proleap-vb6-parser

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "proleap-vb6"]
+	path = proleap-vb6
+	url = https://github.com/uwol/proleap-vb6-parser.git

LICENSE.txt

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Ulrich Wolffgang, Bruce Markham
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

package.json

@@ -22,8 +22,8 @@
     "type": "git",
     "url": "https://github.com/brucificus/vb6-antlr4-typescript.git"
   },
-  "author": "Bruce Markham",
-  "license": "ISC",
+  "author": "Ulrich Wolffgang, Bruce Markham",
+  "license": "MIT",
   "bugs": {
     "url": "https://github.com/brucificus/vb6-antlr4-typescript/issues"
   },