zmore: add page (#6922)

pages/common/zmore.md

@@ -0,0 +1,24 @@
+# zmore
+
+> View gzip compressed files with `more`.
+> More information: <https://manned.org/zmore>.
+
+- Open a compressed file:
+
+`zmore {{path/to/file.txt.gz}}`
+
+- Display the next page of the file:
+
+`<Space>`
+
+- Search for a pattern in the file (press `n` to go to next match):
+
+`/{{regular_expression}}`
+
+- Exit:
+
+`q`
+
+- Display interactive command help:
+
+`h`