sgpt: add page (#10095)

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/sgpt.md

@@ -0,0 +1,28 @@
+# sgpt
+
+> Command-line productivity tool powered by OpenAI's GPT models.
+> More information: <https://github.com/TheR1D/shell_gpt#readme>.
+
+- Use it as a search engine, asking for the mass of the sun:
+
+`sgpt "{{mass of the sun}}"`
+
+- Execute Shell commands, and apply `chmod 444` to all files in the current directory:
+
+`sgpt --shell "{{make all files in current directory read only}}"`
+
+- Generate code, solving classic fizz buzz problem:
+
+`sgpt --code "{{solve fizz buzz problem using Python}}"`
+
+- Start a chat session with a unique session name:
+
+`sgpt --chat {{session_name}} "{{please remember my favorite number: 4}}"`
+
+- Start a `REPL` (Read–eval–print loop) session:
+
+`sgpt --repl {{command}}`
+
+- Display help:
+
+`sgpt --help`