diff --git a/package-lock.json b/package-lock.json
index d3d544a..8f03ba4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1066,6 +1066,15 @@
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@@ -2018,6 +2034,15 @@
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@@ -3975,9 +4000,9 @@
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@@ -4042,6 +4069,32 @@
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+          "dev": true,
+          "requires": {
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+            "@open-wc/building-utils": "^2.18.0",
+            "@webcomponents/webcomponentsjs": "^2.4.0",
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+            "deepmerge": "^4.2.2",
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@@ -5373,19 +5426,42 @@
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+          "requires": {
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+            "inherits": "2.0.4",
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+            "statuses": ">= 1.5.0 < 2",
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+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.8.0.tgz",
+      "integrity": "sha512-4I8r0C5JDhT5VkvI47QktDW75rNlGVsUf/8hzjCC/wkWI/jdTRmBb9aI7erSG82r1bjKY3F6k28WnsVxB1C73A==",
       "dev": true,
       "requires": {
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         "inherits": "2.0.4",
-        "setprototypeof": "1.1.1",
+        "setprototypeof": "1.2.0",
         "statuses": ">= 1.5.0 < 2",
         "toidentifier": "1.0.0"
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+          "dev": true
+        }
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@@ -5807,9 +5883,9 @@
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+      "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.1.1.tgz",
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@@ -6526,9 +6602,9 @@
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+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.13.0.tgz",
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@@ -6629,26 +6705,14 @@
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+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/koa-send/-/koa-send-5.0.1.tgz",
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-        "debug": "^3.1.0",
-        "http-errors": "^1.6.3",
-        "mz": "^2.7.0",
+        "debug": "^4.1.1",
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@@ -7802,9 +7866,9 @@
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+      "resolved": "https://registry.npmjs.org/open/-/open-7.2.0.tgz",
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@@ -10128,9 +10192,9 @@
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-      "integrity": "sha1-5p44obq+lpsBCCB5eLn2K4hgSDk=",
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
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diff --git a/package.json b/package.json
index 2e0257f..5b17b9a 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
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+    "es-dev-server": "^1.57.3"
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   "eslintConfig": {
     "extends": [