fix(30) add ability to save and load a json file

closes(30)

package - feb7.json

@@ -0,0 +1,67 @@
+{
+  "name": "geoview-pluginform",
+  "version": "0.1.0",
+  "homepage": "https://pewillia.github.io/GeoView-Plugins-Config",
+  "private": true,
+  "dependencies": { 
+    "@material-ui/core": "^4.12.3",
+    "@material-ui/icons": "^4.11.2",
+    "@rjsf/core": "^5.13.0",
+    "@rjsf/material-ui": "^5.13.0",
+    "@rjsf/mui": "^5.13.0",
+    "@rjsf/utils": "^5.13.0",
+    "@rjsf/validator-ajv8": "^5.13.0",
+    "@testing-library/jest-dom": "^5.16.1",
+    "@testing-library/react": "^12.1.2",
+    "@testing-library/user-event": "^13.5.0",
+    "axios": "^0.24.0",
+    "formik": "^2.2.9",
+    "react": "^17.0.2",
+    "react-dom": "^17.0.2",
+    "react-router-dom": "^6.2.1",
+    "react-scripts": "5.0.0",
+    "web-vitals": "^2.1.2",
+    "yup": "^0.32.11",
+    "file-saver": "2.0.5",
+    "reactjs-popup": "2.0.5",
+    "react-jsonschema-form-pagination": "0.4.0",
+    "rjsf-tabs": "0.0.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject",
+    "lint": "eslint src",
+    "postlint": "echo ✅ lint valid",
+    "deploy": "gh-pages -d build"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+     "geoview-core-types": "github:Canadian-Geospatial-Platform/GeoView#types",
+    "eslint": "^8.6.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "eslint-plugin-react": "^7.28.0",
+    "gh-pages": "^5.0.0",
+    "json-server": "^0.17.0",
+    "prettier": "^2.5.1"
+  }
+}