diff --git a/example/front/package-lock.json b/example/front/package-lock.json
index 5980b38..274852b 100644
--- a/example/front/package-lock.json
+++ b/example/front/package-lock.json
@@ -1277,27 +1277,9 @@
       }
     },
     "follow-redirects": {
-      "version": "1.11.0",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.11.0.tgz",
-      "integrity": "sha512-KZm0V+ll8PfBrKwMzdo5D13b1bur9Iq9Zd/RMmAoQQcl2PxxFml8cxXPaaPYVbV0RjNjq1CU7zIzAOqtUPudmA==",
-      "requires": {
-        "debug": "^3.0.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "3.2.6",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-          "requires": {
-            "ms": "^2.1.1"
-          }
-        },
-        "ms": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
-        }
-      }
+      "version": "1.15.4",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.4.tgz",
+      "integrity": "sha512-Cr4D/5wlrb0z9dgERpUL3LrmPKVDsETIJhaCMeDfuFYcqa5bldGV6wBsAN6X/vxlXQtFBMrXdXxdL8CbDTGniw=="
     },
     "for-in": {
       "version": "1.0.2",
@@ -1537,7 +1519,9 @@
           }
         },
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+          "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
         },
         "minipass": {
           "version": "2.9.0",
@@ -1565,7 +1549,10 @@
           },
           "dependencies": {
             "minimist": {
-              "version": "^1.2.5"
+              "version": "1.2.8",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+              "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+              "optional": true
             }
           }
         },
@@ -1703,7 +1690,10 @@
           },
           "dependencies": {
             "minimist": {
-              "version": "^1.2.5"
+              "version": "1.2.8",
+              "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+              "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+              "optional": true
             }
           }
         },
@@ -2019,7 +2009,17 @@
       },
       "dependencies": {
         "ecstatic": {
-          "version": "^4.1.4"
+          "version": "4.1.4",
+          "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-4.1.4.tgz",
+          "integrity": "sha512-8E4ZLK4uRuB9pwywGpy/B9vcz4gCp6IY7u4cMbeCINr/fjb1v+0wf0Ae2XlfSnG8xZYnE4uaJBjFkYI0bqcIdw==",
+          "requires": {
+            "charset": "^1.0.1",
+            "he": "^1.1.1",
+            "mime": "^2.4.1",
+            "minimist": "^1.1.0",
+            "on-finished": "^2.3.0",
+            "url-join": "^4.0.0"
+          }
         },
         "mime": {
           "version": "2.4.4",
@@ -2260,7 +2260,9 @@
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+          "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
         }
       }
     },
@@ -2426,7 +2428,9 @@
       }
     },
     "minimist": {
-      "version": "^1.2.5"
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
     },
     "mississippi": {
       "version": "3.0.0",
@@ -2473,7 +2477,9 @@
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+          "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
         }
       }
     },
@@ -2659,7 +2665,9 @@
       },
       "dependencies": {
         "minimist": {
-          "version": "^1.2.5"
+          "version": "1.2.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+          "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
         }
       }
     },
@@ -3864,4 +3872,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/yarn.lock b/yarn.lock
index d45509b..121172d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2999,7 +2999,7 @@ debug@3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^3.0.0, debug@^3.1.0, debug@^3.1.1, debug@^3.2.6:
+debug@^3.1.0, debug@^3.1.1, debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -3670,11 +3670,9 @@ flush-write-stream@^1.0.0:
     readable-stream "^2.3.6"
 
 follow-redirects@^1.0.0:
-  version "1.11.0"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.11.0.tgz#afa14f08ba12a52963140fe43212658897bc0ecb"
-  integrity sha512-KZm0V+ll8PfBrKwMzdo5D13b1bur9Iq9Zd/RMmAoQQcl2PxxFml8cxXPaaPYVbV0RjNjq1CU7zIzAOqtUPudmA==
-  dependencies:
-    debug "^3.0.0"
+  version "1.15.4"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.4.tgz#cdc7d308bf6493126b17ea2191ea0ccf3e535adf"
+  integrity sha512-Cr4D/5wlrb0z9dgERpUL3LrmPKVDsETIJhaCMeDfuFYcqa5bldGV6wBsAN6X/vxlXQtFBMrXdXxdL8CbDTGniw==
 
 for-in@^1.0.2:
   version "1.0.2"