feat!: File Sync (#5355)

- file sync for electron/ios/android
- age encryption of both file content and file path
- massive UI enhancement
- corresponding CI tasks

Co-authored-by: llcc <lzhes43@gmail.com>
Co-authored-by: rcmerci <rcmerci@gmail.com>
Co-authored-by: Tienson Qin <tiensonqin@gmail.com>
Co-authored-by: Andelf <andelf@gmail.com>
Co-authored-by: Gabriel Horner <gabriel@logseq.com>

ios/App/LogseqSpecs/AgeEncryption.podspec

@@ -0,0 +1,22 @@
+Pod::Spec.new do |s|
+    s.name             = "AgeEncryption"
+    s.version          = "1.0.6"
+    s.summary          = "AgeEncryption for Logseq"
+    s.description      = <<-DESC
+                         TODO: Add description
+                         DESC
+    s.homepage         = "https://github.com/andelf/AgeEncryption"
+    s.license          = 'MIT'
+    s.author           = { "Andelf" => "andelf@gmail.com" }
+    s.source           = { :http => "https://github.com/andelf/AgeEncryption/releases/download/#{s.version}/AgeEncryption.xcframework.zip" }
+
+    s.requires_arc          = true
+
+    s.platform = :ios
+    s.ios.deployment_target = '12.0'
+
+    s.vendored_frameworks = "AgeEncryption.xcframework"
+    s.static_framework = true
+
+    s.swift_version = '5.1'
+  end