add many more krill operators

repl/src/parse.d.ts

@@ -0,0 +1,18 @@
+/* 
+TODO:
+export interface Arguments {
+  alignment: string;
+}
+
+export interface ElementStub {
+  type_: string;
+  source_: string;
+  options_?: any;
+}
+
+export interface PatternStub {
+  type_: string; // pattern
+  arguments_: Arguments;
+  source_: ElementStub[];
+}
+ */