gow: add page (#7805)

pages/common/gow.md

@@ -0,0 +1,24 @@
+# gow
+
+> Watches Go files and restarts the app on changes.
+> More information: <https://github.com/mitranim/gow>.
+
+- Start and watch the current directory:
+
+`gow run .`
+
+- Start the application with the specified arguments:
+
+`gow run . {{argument1 argument2 ...}}`
+
+- Watch subdirectories in verbose mode:
+
+`gow -v -w={{path/to/directory1,path/to/directory2,...}} run .`
+
+- Watch the specified file extensions:
+
+`gow -e={{go,html}} run .`
+
+- Display help:
+
+`gow -h`