diff --git a/package-lock.json b/package-lock.json
index 9ea2c22..423e117 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
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@@ -2730,6 +2735,15 @@
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@@ -8167,6 +8196,11 @@
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@@ -8905,6 +8939,12 @@
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+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
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@@ -9228,11 +9268,79 @@
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+      "optionalDependencies": {
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@@ -12451,6 +12558,11 @@
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@@ -13177,6 +13301,11 @@
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@@ -13192,6 +13321,11 @@
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@@ -15316,6 +15478,18 @@
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@@ -18367,11 +18553,18 @@
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@@ -21845,6 +22041,11 @@
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@@ -22413,6 +22614,12 @@
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+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-4.1.4.tgz",
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+        "saslprep": "^1.0.3"
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+      "resolved": "https://registry.npmjs.org/mongoose/-/mongoose-6.0.13.tgz",
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+        "sift": "13.5.2",
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+    "mpath": {
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+      "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.8.4.tgz",
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+    "mquery": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/mquery/-/mquery-4.0.0.tgz",
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+      "requires": {
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+        "regexp-clone": "^1.0.0",
+        "sliced": "1.0.1"
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       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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@@ -24850,8 +25107,7 @@
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@@ -25017,6 +25273,11 @@
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+    "regexp-clone": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-1.0.0.tgz",
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@@ -25312,6 +25573,15 @@
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+    "saslprep": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
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+      "requires": {
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+    },
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@@ -25574,6 +25844,11 @@
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+    "sift": {
+      "version": "13.5.2",
+      "resolved": "https://registry.npmjs.org/sift/-/sift-13.5.2.tgz",
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@@ -25586,6 +25861,11 @@
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+    "sliced": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
+      "integrity": "sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E="
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@@ -25912,6 +26192,15 @@
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     },
+    "sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha1-/0rm5oZWBWuks+eSqzM004JzyhE=",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
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     "spdy": {
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@@ -26369,6 +26658,14 @@
         "punycode": "^2.1.1"
       }
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+    "tr46": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-3.0.0.tgz",
+      "integrity": "sha512-l7FvfAHlcmulp8kr+flpQZmVwtu7nfRV7NZujtN0OqES8EL4O4e0qqzL0DC5gAvx/ZC/9lk6rhcUwYvkBnBnYA==",
+      "requires": {
+        "punycode": "^2.1.1"
+      }
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     "tree-kill": {
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@@ -26696,6 +26993,11 @@
         "defaults": "^1.0.3"
       }
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+    "webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g=="
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@@ -27244,6 +27546,15 @@
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       "dev": true
     },
+    "whatwg-url": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-11.0.0.tgz",
+      "integrity": "sha512-RKT8HExMpoYx4igMiVMY83lN6UeITKJlBQ+vR/8ZJ8OCdSiN3RwCq+9gH0+Xzj0+5IrM6i4j/6LuvzbZIQgEcQ==",
+      "requires": {
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
+      }
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     "which": {
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diff --git a/package.json b/package.json
index 2682b3f..698e5ee 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
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     "easyqrcodejs": "^4.4.6",
     "material-design-icons": "^3.0.1",
+    "mongoose": "^6.0.13",
     "rxjs": "~6.6.0",
     "tslib": "^2.3.0",
     "urlsafe-base64": "^1.0.0",