add -k to open each kanji info in a browser tab

Cargo.lock

@@ -112,6 +112,7 @@ dependencies = [
  "colored",
  "serde_json",
  "ureq",
+ "webbrowser",
 ]
 
 [[package]]
@@ -397,6 +398,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webbrowser"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecad156490d6b620308ed411cfee90d280b3cbd13e189ea0d3fada8acc89158a"
+dependencies = [
+ "web-sys",
+ "widestring",
+ "winapi",
+]
+
 [[package]]
 name = "webpki"
 version = "0.21.4"
@@ -416,6 +428,12 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "widestring"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c168940144dd21fd8046987c16a46a33d5fc84eec29ef9dcddc2ac9e31526b7c"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"