feat: manage tenants and leases (#4)

frontend/angular.json

@@ -68,7 +68,13 @@
           "builder": "@angular/build:unit-test",
           "options": {
             "tsConfig": "tsconfig.spec.json",
-            "coverageExclude": ["**/*.html", "src/main.ts"]
+            "coverageExclude": ["**/*.html", "src/main.ts"],
+            "coverageThresholds": {
+              "statements": 80,
+              "branches": 80,
+              "functions": 80,
+              "lines": 80
+            }
           }
         },
         "lint": {