Add Microsoft authentication and Entra ID configuration

Introduced Microsoft authentication integration using MSAL for token handling and calendar operations. Added Entra ID configuration module to manage tenant, client ID, and secret settings, along with enabling integration control.

package-lock.json

@@ -8,6 +8,7 @@
       "name": "truckwashdashboardsfrontend",
       "version": "0.0.0",
       "dependencies": {
+        "@azure/msal-browser": "^4.12.0",
         "@creativebulma/bulma-badge": "^1.0.1",
         "@fullcalendar/core": "^6.1.17",
         "@fullcalendar/daygrid": "^6.1.17",
@@ -75,6 +76,25 @@
         "url": "https://github.com/sponsors/antfu"
       }
     },
+    "node_modules/@azure/msal-browser": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/@azure/msal-browser/-/msal-browser-4.12.0.tgz",
+      "integrity": "sha512-WD1lmVWchg7wn1mI7Tr4v7QPyTwK+8Nuyje3jRpOFENLRLEBsdK8VVdTw3C+TypZmYn4cOAdj3zREnuFXgvfIA==",
+      "dependencies": {
+        "@azure/msal-common": "15.6.0"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/@azure/msal-common": {
+      "version": "15.6.0",
+      "resolved": "https://registry.npmjs.org/@azure/msal-common/-/msal-common-15.6.0.tgz",
+      "integrity": "sha512-EotmBz42apYGjqiIV9rDUdptaMptpTn4TdGf3JfjLvFvinSe9BJ6ywU92K9ky+t/b0ghbeTSe9RfqlgLh8f2jA==",
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.27.1",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.27.1.tgz",