added a page for the read builtin

pages/common/read.md

@@ -0,0 +1,23 @@
+# read
+
+> BASH builtin for retrieving data from standard input
+
+- Store data that you type from the keyboard:
+
+`read {{variable}}`
+
+- Store each of the next lines you enter as values of an array:
+
+`read -a {{array}}
+
+- Enable backspace and GNU readline hotkeys when entering input with read:
+
+`read -e {{variable}}
+
+- Specify the number of maximum characters to be read:
+
+`read -n {{character_count}} {{variable}}
+
+- Use a specific character as a delimiter instead of a new line:
+
+`read -d {{delimiter}} {{variable}}