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

tldr/speedcrunch

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# speedcrunch
+
+> A high-precision scientific calculator.
+> More information: <https://www.speedcrunch.org>.
+
+- Start SpeedCrunch:
+
+`speedcrunch`
+
+- Copy the result of the most recent calculation:
+
+`<Ctrl> + R`
+
+- Open the formula book:
+
+`<Ctrl> + 1`
+
+- Clear the calculator of recent calculations:
+
+`<Ctrl> + N`
+
+- Wrap highlighted in parentheses (defaults to wrapping all if nothing selected):
+
+`<Ctrl> + P`
+
+- Load a speedcrunch session:
+
+`<Ctrl> + L`
+
+- Save a speedcrunch session:
+
+`<Ctrl> + S`
+
+- Toggle keypad:
+
+`<Ctrl> + K`