Squashed commit of the following:

* added the grammar triggers configuration option
* the grammar generator is in typescript now to support the dynamic regen

Author: jkmnt

.vscodeignore

@@ -1,2 +1,5 @@
 *.py
-sample.png
+sample.png
+src
+build.js
+tsconfig.json

build.js

@@ -0,0 +1,7 @@
+const fs = require("fs");
+
+const gen_grammar = require("./out/gen_grammar");
+
+const result = gen_grammar.gen(gen_grammar.DEF_SPECS);
+const json = JSON.stringify(result, null, 4);
+fs.writeFileSync("./syntaxes/embed-in-python.json", json)