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

tldr/android/logcat

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, android]
+source: https://github.com/tldr-pages/tldr.git
+---
+# logcat
+
+> Dump a log of system messages, including stack traces when an error occurred, and information messages logged by applications.
+> More information: <https://developer.android.com/tools/logcat>.
+
+- Display system logs:
+
+`logcat`
+
+- Write system logs to a [f]ile:
+
+`logcat -f {{path/to/file}}`
+
+- Display lines that match a regular expression:
+
+`logcat --regex {{regular_expression}}`
+
+- Display logs for a specific PID:
+
+`logcat --pid={{pid}}`
+
+- Display logs for the process of a specific package:
+
+`logcat --pid=$(pidof -s {{package}})`