Update README.md

README.md

@@ -1,8 +1,5 @@
 # Kubo
-
-Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/kubo`. To experiment with that code, run `bin/console` for an interactive prompt.
-
-TODO: Delete this and the text above, and describe your gem
+Kubo is a Ruby gem to file cache easily.
 
 ## Installation
 
@@ -21,15 +18,38 @@ Or install it yourself as:
     $ gem install kubo
 
 ## Usage
+```ruby
+# Initializing a Zip instance to compress data to GZip and the Zip class
+# takes two arguments for expiration and a path for storing keys.
+# Kubo::Zip.new(time, path)
+# `time` argument could be "1s", "1h", "1d" which it will be converted to seconds later.
+kubo = Kubo::Zip.new("1h", "./cache/my_cache_folder")
+
+# Save a key with value
+key = "my_key"
+value = "My value"
+kubo.save(key, value)
 
-TODO: Write usage instructions here
+# Read a key
+kubo.read(key) # => "My value"
+
+# Check expiration of a key
+kubo.expired?(key)
+
+# Flush / Truncate a key
+kubo.flush(key)
+
+# Delete a key
+kubo.delete(key)
+kubo.delete_if_expired(key) # Deletes the key if it's expired.
+```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
-To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and the created tag, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+To install this gem onto your local machine, run `bundle exec rake install`.
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/kubo.
+Bug reports and pull requests are welcome on GitHub at https://github.com/evokelektrique/kubo.