Update cheatsheets

tldr/fx

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# fx
+
+> View and process JSON.
+> More information: <https://fx.wtf/getting-started>.
+
+- View a JSON file interactively:
+
+`fx {{path/to/file.json}}`
+
+- Pretty-print and colorize JSON from `stdin`:
+
+`cat {{path/to/file.json}} | fx`
+
+- Open JSON data from a URL:
+
+`curl {{url}} | fx`
+
+- Filter JSON using JavaScript-like expressions:
+
+`fx {{path/to/file.json}} {{.name}}`
+
+- Parse a TOML input file into JSON:
+
+`fx --toml {{path/to/file.toml}}`
+
+- Parse a YAML input file into JSON:
+
+`fx --yaml {{path/to/file.yaml}}`