terminalizer: add page (#2648)

pages/common/terminalizer.md

@@ -0,0 +1,23 @@
+# terminalizer
+
+> Utility program which records the terminal and generate animated gifs or share a video.
+
+- Create the global config directory:
+
+`terminalizer init`
+
+- Record the terminal and create a recording file:
+
+`terminalizer record {{file_name}}`
+
+- Play a recorded file on the terminal:
+
+`terminalizer play {{file_name}}`
+
+- Render a recording file as an animated gif image:
+
+`terminalizer render {{file_name}}`
+
+- Upload a video to terminalizer.com:
+
+`terminalizer share {{file_name}}`