Update README.md

README.md

@@ -21,6 +21,7 @@ A collection of awesome things.
 - [Groovy](#groovy)
 - [HCL](#hcl)
 - [HTML](#html)
+- [JSON](#json)
 - [Janet](#janet)
 - [Java](#java)
 - [JavaScript](#javascript)
@@ -28,6 +29,7 @@ A collection of awesome things.
 - [Jupyter Notebook](#jupyter-notebook)
 - [Just](#just)
 - [Lua](#lua)
+- [Markdown](#markdown)
 - [Nix](#nix)
 - [Nunjucks](#nunjucks)
 - [OCaml](#ocaml)
@@ -339,6 +341,10 @@ A collection of awesome things.
 - [taitems/iOS-Overlay](https://github.com/taitems/iOS-Overlay) -  iOS Overlay/Notification Plugin for the Web!
 - [uncss/grunt-uncss](https://github.com/uncss/grunt-uncss) - :scissors: A grunt task for removing unused CSS from your projects.
 
+## JSON
+
+- [upptime/upptime](https://github.com/upptime/upptime) - ⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary
+
 ## Janet
 
 - [nvim-treesitter/nvim-treesitter-context](https://github.com/nvim-treesitter/nvim-treesitter-context) - Show code context
@@ -665,6 +671,10 @@ A collection of awesome things.
 - [xiyaowong/transparent.nvim](https://github.com/xiyaowong/transparent.nvim) - Remove all background colors to make nvim transparent
 - [zbirenbaum/neodim](https://github.com/zbirenbaum/neodim) - Neovim plugin for dimming the highlights of unused functions, variables, parameters, and more
 
+## Markdown
+
+- [ivuorinen/uptime](https://github.com/ivuorinen/uptime) - Public uptime checker for some of my sites
+
 ## Nix
 
 - [LnL7/nix-darwin](https://github.com/LnL7/nix-darwin) - nix modules for darwin