removed lock file

Gemfile.lock

-PATH
-  remote: .
-  specs:
-    jekyll-theme-cayman (0.1.1)
-      jekyll (~> 3.1)
-      jekyll-seo-tag (~> 2.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (5.2.4.5)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
-    ast (2.4.2)
-    colorator (1.1.0)
-    concurrent-ruby (1.1.8)
-    em-websocket (0.5.2)
-      eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
-    ethon (0.12.0)
-      ffi (>= 1.3.0)
-    eventmachine (1.2.7)
-    execjs (2.7.0)
-    extras (0.3.0)
-      forwardable-extended (~> 2.5)
-    fastimage (2.2.3)
-    ffi (1.15.5)
-    font-awesome-sass (5.15.1)
-      sassc (>= 1.11)
-    forwardable-extended (2.6.0)
-    hpricot (0.8.6)
-    html-proofer (3.18.8)
-      addressable (~> 2.3)
-      mercenary (~> 0.3)
-      nokogumbo (~> 2.0)
-      parallel (~> 1.3)
-      rainbow (~> 3.0)
-      typhoeus (~> 1.3)
-      yell (~> 2.0)
-    http_parser.rb (0.6.0)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    jekyll (3.9.0)
-      addressable (~> 2.4)
-      colorator (~> 1.0)
-      em-websocket (~> 0.5)
-      i18n (~> 0.7)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 2.0)
-      kramdown (>= 1.17, < 3)
-      liquid (~> 4.0)
-      mercenary (~> 0.3.3)
-      pathutil (~> 0.9)
-      rouge (>= 1.7, < 4)
-      safe_yaml (~> 1.0)
-    jekyll-assets (3.0.12)
-      activesupport (~> 5.0)
-      execjs (~> 2.7)
-      extras (~> 0.2)
-      fastimage (~> 2.0, >= 1.8)
-      jekyll (>= 3.5, < 4.0)
-      jekyll-sanity (~> 1.2)
-      liquid-tag-parser (~> 1.0)
-      nokogiri (~> 1.8)
-      pathutil (~> 0.16)
-      sprockets (>= 3.3, < 4.1.beta)
-    jekyll-contentblocks (1.2.0)
-      jekyll
-    jekyll-feed (0.15.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-font-awesome-sass (0.1.1)
-      font-awesome-sass (>= 4)
-      jekyll (>= 2.5, < 4.0)
-    jekyll-mermaid (1.0.0)
-    jekyll-paginate (1.1.0)
-    jekyll-redirect-from (0.16.0)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-sanity (1.6.0)
-      jekyll (>= 3.1, < 5.0)
-      pathutil (~> 0.16)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.7.1)
-      jekyll (>= 3.8, < 5.0)
-    jekyll-target-blank (2.0.0)
-      jekyll (>= 3.0, < 5.0)
-      nokogiri (~> 1.10)
-    jekyll-watch (2.2.1)
-      listen (~> 3.0)
-    json (2.5.1)
-    kramdown (2.3.0)
-      rexml
-    kramdown-parser-gfm (1.1.0)
-      kramdown (~> 2.0)
-    libv8 (3.16.14.19)
-    liquid (4.0.3)
-    liquid-tag-parser (1.9.0)
-      extras (~> 0.3)
-      liquid (>= 3.0, < 5.0)
-    listen (3.4.1)
-      rb-fsevent (~> 0.10, >= 0.10.3)
-      rb-inotify (~> 0.9, >= 0.9.10)
-    mercenary (0.3.6)
-    mini_portile2 (2.5.0)
-    minitest (5.14.4)
-    nokogiri (1.11.2)
-      mini_portile2 (~> 2.5.0)
-      racc (~> 1.4)
-    nokogumbo (2.0.4)
-      nokogiri (~> 1.8, >= 1.8.4)
-    parallel (1.20.1)
-    parser (3.0.0.0)
-      ast (~> 2.4.1)
-    pathutil (0.16.2)
-      forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    racc (1.5.2)
-    rack (2.2.3)
-    rainbow (3.0.0)
-    rb-fsevent (0.10.4)
-    rb-inotify (0.10.1)
-      ffi (~> 1.0)
-    ref (2.0.0)
-    regexp_parser (2.1.1)
-    remark (0.3.2)
-      hpricot (~> 0.8.2)
-    rexml (3.2.4)
-    rouge (3.26.0)
-    rubocop (0.93.1)
-      parallel (~> 1.10)
-      parser (>= 2.7.1.5)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8)
-      rexml
-      rubocop-ast (>= 0.6.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (1.4.1)
-      parser (>= 2.7.1.5)
-    ruby-progressbar (1.11.0)
-    safe_yaml (1.0.5)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sassc (2.1.0)
-      ffi (~> 1.9)
-    sprockets (3.7.2)
-      concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
-    therubyracer (0.12.3)
-      libv8 (~> 3.16.14.15)
-      ref
-    thread_safe (0.3.6)
-    typhoeus (1.4.0)
-      ethon (>= 0.9.0)
-    tzinfo (1.2.9)
-      thread_safe (~> 0.1)
-    uglifier (4.2.0)
-      execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.7.0)
-    w3c_validators (1.3.6)
-      json (>= 1.8)
-      nokogiri (~> 1.6)
-      rexml (~> 3.2)
-    yell (2.2.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  execjs
-  html-proofer (~> 3.0)
-  jekyll (< 4.0)
-  jekyll-assets
-  jekyll-contentblocks
-  jekyll-feed
-  jekyll-font-awesome-sass
-  jekyll-mermaid
-  jekyll-paginate
-  jekyll-redirect-from
-  jekyll-target-blank
-  jekyll-theme-cayman!
-  kramdown-parser-gfm
-  remark
-  rubocop (~> 0.50)
-  sassc (~> 2.1.0)
-  sprockets (~> 3.7)
-  therubyracer
-  tzinfo-data
-  uglifier
-  w3c_validators (~> 1.3)
-
-BUNDLED WITH
-   1.17.3