feat: add persistent cache and optimistic updates

pnpm-lock.yaml

@@ -85,6 +85,7 @@ importers:
       '@urql/core': ^2.3.3
       '@urql/devtools': ^2.0.3
       '@urql/exchange-auth': ^0.1.6
+      '@urql/exchange-graphcache': ^4.3.5
       '@vue/runtime-dom': ^3.2.19
       '@vue/test-utils': ^1.2.2
 >>>>>>> ecdc7919 (fix: queries not waiting for authentication)
@@ -170,7 +171,11 @@ importers:
       '@nuxtjs/toast': 3.3.1
       '@urql/core': 2.3.3_graphql@15.6.0
       '@urql/exchange-auth': 0.1.6_graphql@15.6.0
+<<<<<<< HEAD
 >>>>>>> ecdc7919 (fix: queries not waiting for authentication)
+=======
+      '@urql/exchange-graphcache': 4.3.5_graphql@15.6.0
+>>>>>>> 96cf7746 (feat: add persistent cache and optimistic updates)
       acorn: 8.5.0
       acorn-walk: 8.2.0
       axios: 0.22.0
@@ -5995,6 +6000,16 @@ packages:
       wonka: 4.0.15
     dev: false
 
+  /@urql/exchange-graphcache/4.3.5_graphql@15.6.0:
+    resolution: {integrity: sha512-q5/CzNtSxd5fW/YZ94KABmtQ34XliyS+KKKhyJ+/y66D7mYrN/ZEiuKTlnB7FTt9GLZ0yRtgIfXjwoGicB/Tlw==}
+    peerDependencies:
+      graphql: ^0.11.0 || ^0.12.0 || ^0.13.0 || ^14.0.0 || ^15.0.0
+    dependencies:
+      '@urql/core': 2.3.3_graphql@15.6.0
+      graphql: 15.6.0
+      wonka: 4.0.15
+    dev: false
+
   /@vue/babel-helper-vue-jsx-merge-props/1.2.1:
     resolution:
       {