Reorganize project. Add folder for shared code between backend/dashboard. Switch from jest to ava for tests.

shared/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "@zeppelin/shared",
+  "version": "0.0.1",
+  "description": "",
+  "private": true,
+  "scripts": {
+    "test": "ava"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "ava": "^2.4.0",
+    "ts-node": "^8.4.1",
+    "typescript": "^3.6"
+  },
+  "ava": {
+    "compileEnhancements": false,
+    "files": [
+      "src/**/*.test.ts"
+    ],
+    "extensions": ["ts"],
+    "require": [
+      "ts-node/register"
+    ]
+  }
+}

shared/tsconfig.json

@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "moduleResolution": "node",
+    "module": "commonjs",
+    "noImplicitAny": false,
+    "allowSyntheticDefaultImports": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "target": "esnext",
+    "lib": [
+      "esnext"
+    ],
+    "baseUrl": "src",
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "outDir": "./dist"
+  },
+  "include": [
+    "src/**/*.ts"
+  ]
+}