fix(manifest): advertise has_auth and fix public_key casing

src/handlers/manifest/manifest.json

@@ -2,6 +2,7 @@
     "name": "KeepNote",
     "author": "Dcntrlized",
     "capabilities": ["database"],
-    "publicKey": "",
+    "has_auth": true,
+    "public_key": "",
     "icon": ""
 }

src/types/types.go

@@ -7,7 +7,8 @@ type Manifest struct {
     Version *string `json:"version,omitempty"`
     Author string `json:"author"`
     Capabilities []string `json:"capabilities"`
-    PublicKey string `json:"publicKey"`
+    HasAuth bool `json:"has_auth"`
+    PublicKey string `json:"public_key"`
     Icon *string `json:"icon,omitempty"`
 }