Add Capacitor Share integration and implement Circle invite sharing feature

public/.well-known/apple-app-site-association

@@ -0,0 +1,11 @@
+{
+  "applinks": {
+    "apps": [],
+    "details": [
+      {
+        "appID": "6UJJ78R3BS.com.donetick.app",
+        "paths": ["/circle/join*"]
+      }
+    ]
+  }
+}

public/.well-known/assetlinks.json

@@ -0,0 +1,12 @@
+[
+  {
+    "relation": ["delegate_permission/common.handle_all_urls"],
+    "target": {
+      "namespace": "android_app",
+      "package_name": "com.donetick.app",
+      "sha256_cert_fingerprints": [
+        "EF:45:27:40:A2:D2:11:E4:27:AB:9A:7A:C6:E1:3B:CA:D4:DE:6A:0A:C3:81:05:58:D8:89:F1:FA:4E:CB:44:F3"
+      ]
+    }
+  }
+]