Added lazy loading to tag photos. Changed tag thumb location.

package.json

@@ -86,6 +86,7 @@
         "express-promise-router": "^3.0.3",
         "express-react-views": "^0.11.0",
         "face-api.js": "^0.21.0",
+        "file-type": "^14.1.4",
         "fs-extra": "^7.0.1",
         "graphile-utils": "^4.5.6",
         "iconv-lite": "^0.5.1",
@@ -96,7 +97,6 @@
         "mime": "^2.4.4",
         "moment": "^2.24.0",
         "nanoid": "^2.1.11",
-        "opencv4nodejs": "^5.5.0",
         "opn": "^5.5.0",
         "pg": "^7.18.1",
         "postgraphile": "^4.5.5",
@@ -115,6 +115,7 @@
         "url-pattern": "^1.0.3",
         "v-tooltip": "^2.0.3",
         "vue": "^2.6.11",
+        "vue-lazyload": "^1.3.3",
         "vue-router": "^3.1.6",
         "vuex": "^3.1.2",
         "winston": "^3.2.1",