Move pages under tldr, lint run.sh, update docs

tldr/prqlc

@@ -0,0 +1,30 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# prqlc
+
+> PRQL compiler.
+> PRQL is a modern language for transforming data - a simple, powerful, pipelined SQL replacement.
+> More information: <https://prql-lang.org>.
+
+- Run the compiler interactively:
+
+`prqlc compile`
+
+- Compile a specific `.prql` file to `stdout`:
+
+`prqlc compile {{path/to/file.prql}}`
+
+- Compile a `.prql` file to a `.sql` file:
+
+`prqlc compile {{path/to/source.prql}} {{path/to/target.sql}}`
+
+- Compile a query:
+
+`echo "{{from employees | filter has_dog | select salary}}" | prqlc compile`
+
+- Watch a directory and compile on file modification:
+
+`prqlc watch {{path/to/directory}}`