fix(client-ngx): client.ts is missing from the TypeScript compilation

package.json

@@ -13,6 +13,7 @@
     "@babel/runtime-corejs2": "^7.0.0",
     "core-js": "^2.5.3",
     "ramda": "^0.25.0",
+    "rollup-plugin-dts": "^1.1.8",
     "whatwg-fetch": "^3.0.0"
   },
   "files": [
@@ -33,11 +34,13 @@
     "lerna": "^3.13.1",
     "rollup": "^0.68",
     "rollup-plugin-alias": "^1.4.0",
+    "rollup-plugin-angular": "^0.5.3",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.6",
     "rollup-plugin-node-resolve": "^4.2.3",
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-typescript": "^1.0.1",
+    "rollup-plugin-typescript2": "^0.24.3",
     "rollup-plugin-uglify": "^5.0.2",
     "tslib": "^1.9.3",
     "typescript": "^3.4.5"

packages/cubejs-client-ngx/angular.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "cubejs-client-ngx": {
+      "root": ".",
+      "sourceRoot": "src",
+      "projectType": "library",
+      "prefix": "ch",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-ng-packagr:build",
+          "options": {
+            "tsConfig": "tsconfig.json",
+            "project": "ng-package.json"
+          }
+        }
+      }
+    }
+  },
+  "defaultProject": "cubejs-client-ngx"
+}