[auth] add Cryptee icon (#5959)

I added the Cryptee icon. Cryptee is similar to Ente, as it is also a
secure photo service

auth/assets/custom-icons/_data/custom-icons.json

@@ -305,6 +305,10 @@
       "title": "CSGORoll",
       "slug": "csgoroll"
     },
+    {
+      "title": "Cryptee",
+      "slug": "cryptee"
+    },
     {
       "title": "Cwallet",
       "altNames": [

auth/assets/custom-icons/icons/cryptee.svg

@@ -0,0 +1 @@
+<svg width="1400" height="1400" xmlns="http://www.w3.org/2000/svg"><path d="M699.914 0C1004.659 0 1263.915 194.786 1360 466.662l-399.246-.003C896.674 395.059 803.556 350 699.914 350c-193.276 0-349.957 156.7-349.957 350s156.681 350 349.957 350c103.641 0 196.76-45.059 260.84-116.658L1360 933.34C1263.915 1205.214 1004.659 1400 699.914 1400 313.362 1400 0 1086.6 0 700S313.362 0 699.914 0zm347.087 747.002L1398 747a696.274 696.274 0 0 1-12.453 93H1021a345.75 345.75 0 0 0 26.001-92.998zM1385.547 560A696.301 696.301 0 0 1 1398 653l-351-.002A345.762 345.762 0 0 0 1021 560h364.547z" fill-rule="evenodd"/></svg>