Update cheatsheets

tldr/fc-cache

@@ -12,6 +12,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `fc-cache`
 
+- Generate font cache files verbosely:
+
+`fc-cache {{[-v|--verbose]}}`
+
 - Force a rebuild of all font cache files, without checking if cache is up-to-date:
 
 `fc-cache {{[-f|--force]}}`
@@ -19,3 +23,15 @@ source: https://github.com/tldr-pages/tldr.git
 - Erase font cache files, then generate new font cache files:
 
 `fc-cache {{[-r|--really-force]}}`
+
+- Scan a specific directory:
+
+`fc-cache {{path/to/directory}}`
+
+- Scan system-wide directories, skipping the user's home directory:
+
+`fc-cache {{[-s|--system-only]}}`
+
+- Display version:
+
+`fc-cache {{[-V|--version]}}`