feat(set up placeholders for layout): set up placeholders for layout

Description

Created layout for app.

What has been done:

• Added index.js at pages to set root path for SPA
• Added MinervaSPA page under domain components as page for page load
• Added FunctionalArea placeholder divided into 3 subcomponents. Absolute position was inspired by googlemaps layout
• Added Map component as placeholder for map. Decided to make it full screen. Inspired by google maps layout

Additionally:

• Normalized css

package.json

@@ -11,7 +11,7 @@
     "prepare": "husky install",
     "postinstall": "husky install",
     "test": "jest --watch --config ./jest.config.mjs",
-    "test:ci": "jest --config ./jest.config.mjs --collectCoverage --coverageDirectory=\"./coverage\" --ci --reporters=default --reporters=jest-junit --watchAll=false",
+    "test:ci": "jest --config ./jest.config.mjs --collectCoverage --coverageDirectory=\"./coverage\" --ci --reporters=default --reporters=jest-junit --watchAll=false --passWithNoTests",
     "test:coverage": "jest --watchAll --coverage --config ./jest.config.mjs",
     "test:coveragee": "jest --coverage",
     "coverage": "open ./coverage/lcov-report/index.html",