Create README.md

README.md

+# compress_history
+
+```terminal
+$ ./target/debug/compress_history --help
+compress_history 0.1.0
+Toru3 <ryuutet@gmail.com>
+delete unnecessary history
+
+USAGE:
+    compress_history [OPTIONS]
+
+FLAGS:
+    -h, --help       Prints help information
+    -V, --version    Prints version information
+
+OPTIONS:
+    -f, --file <FILE>    Target history file [default: /home/tfukaya/.bash_history]
+```