📚 Add fselect to README and meta.json with description and repository details

fselect/CHEATSHEET.md

@@ -0,0 +1,21 @@
+# fselect
+
+## Meta
+
+```yaml
+name: fselect
+repo: https://github.com/jhspetersson/fselect
+description: Find files with SQL-like queries
+```
+
+## Install
+
+```shell
+cargo install fselect
+```
+
+## Usage
+
+```shell
+fselect size, hsize, path from /home/user where name = '*.cfg' or name = '*.tmp'
+```