Cookbooks on GZIP and ZIP using camlzip

[cuihtlauac]

• Prototype OCaml Cookbook
• add a rule to crunch the cookbook directory
• move position of cookbook
• side-by-side code view like Go by Example
• copy to clipboard, random number gen recipe
• hierarchy: category > task > recipe
• bring back the styles on the input that I accidentally replaced by 'hidden'
• move cookbook to community section, refactor active_top_nav_item to be controlled by learn_layout.eml and community_layout.eml
• move to Learn area
• Cookbook : encoding (Cookbook : encoding #2097)
• Cookbook : and Sorting list and arrays (Cookbook : and Sorting list and arrays #2098)
• Cookbook textprocessing (Cookbook textprocessing #2104)
• Cookboot : Add a Database / ezsqlite entry (Cookboot : Add a Database / ezsqlite entry #2100)
• Cookbook concurrency : Lwt (Cookbook concurrency : Lwt #2107)
• Cookbook caqti ppx rapper (Cookbook caqti ppx rapper #2108)
• simplify data format of cookbook files
• change data format to .ml file with YAML header, comments get displayed side-by-side with the code
• Cookbook Ezsqlite - typo and rewriting (Cookbook Ezsqlite - typo and rewriting #2119)
• Cookbook Sorting - typo (Cookbook Sorting - typo #2118)
• add dark mode styles
• Cookbook : fix in Lwt (type mismatch with iter_s/iter_p functions) (Cookbook : fix in Lwt (type mismatch with iter_s/iter_p functions) #2127)
• Update 00-caqti-ppx-rapper.ml - fix sqlite -> sqlite3 (Update 00-caqti-ppx-rapper.ml - fix caqti-driver-sqlite -> caqti-driver-sqlite3 #2126)
• rearrange category hierarchy and render all recipes for a task, name rercipes based on task and first listed package
• rebase
• add some tasks
• list the task separately in the table and all the recipes below the task
• add aria-label to make clear to screen-readers where the recipe link is going
• Added description field to tasks
• Task pages
• Task description
• Remove str and stdlib recipes
• Cookbook description text
• Formatting
• minor style changes
• Formatting
• Update CONTRIBUTING.md
• Fix tasks.yml processing
• Formatting
• Add Yaml deserializing recipe
• Refactor JSON tasks
• Text and formatting
• Review
• Remove sorting recipe
• Cleanup
• Delete postponed recipes
• Update localtime recipe
• Do not display package versions
• Formatting
• Display used libraries per package
• Display version as tested and category path
• Fix contribution text
• Fixes
• Formatting
• Fix category path
• Formatting
• Refactoring
• Add hl_yaml recipe
• Fix comments
• Formatting
• Formatting
• Review edits
• Fix typo
• Import FS tasks from PR 1400
• Bring back random generation
• Bring back random generation, con't
• Read text and gziped file
• Formatting
• Fix typo
• Formatting
• Remove some recipes
• Rebase
• Make task description optional
• Random values
• Formatting
• Locate errors
• Rebased compression recipes
• Minimize task.yml
• Cookbook unzip\n\nRecreate PR Cookbook compression / decompression #2133 from https://github.com/ocaml/ocaml.org/tree/cookbook-unzip

[sabine]

Can merge after line editing by @christinerose!