(core) move home server into core

Summary: This moves enough server material into core to run a home server.  The data engine is not yet incorporated (though in manual testing it works when ported).

Test Plan: existing tests pass

Reviewers: dsagal

Reviewed By: dsagal

Differential Revision: https://phab.getgrist.com/D2552

app/plugin/GristAPI-ti.ts

@@ -0,0 +1,34 @@
+/**
+ * This module was automatically generated by `ts-interface-builder`
+ */
+import * as t from "ts-interface-checker";
+// tslint:disable:object-literal-key-quotes
+
+export const ComponentKind = t.union(t.lit("safeBrowser"), t.lit("safePython"), t.lit("unsafeNode"));
+
+export const GristAPI = t.iface([], {
+  "render": t.func("number", t.param("path", "string"), t.param("target", "RenderTarget"),
+                   t.param("options", "RenderOptions", true)),
+  "dispose": t.func("void", t.param("procId", "number")),
+  "subscribe": t.func("void", t.param("tableId", "string")),
+  "unsubscribe": t.func("void", t.param("tableId", "string")),
+});
+
+export const GristDocAPI = t.iface([], {
+  "getDocName": t.func("string"),
+  "listTables": t.func(t.array("string")),
+  "fetchTable": t.func("any", t.param("tableId", "string")),
+  "applyUserActions": t.func("any", t.param("actions", t.array(t.array("any")))),
+});
+
+export const GristView = t.iface([], {
+  "fetchSelectedTable": t.func("any"),
+});
+
+const exportedTypeSuite: t.ITypeSuite = {
+  ComponentKind,
+  GristAPI,
+  GristDocAPI,
+  GristView,
+};
+export default exportedTypeSuite;