witr: add page

pages/common/witr.md

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+# witr
+
+> Inspect processes, services, and ports by tracing their origin.
+> More information: <https://github.com/pranshuparmar/witr>.
+
+- Inspect a process by name:
+
+`witr {{process-name}}`
+
+- Inspect a process by PID:
+
+`witr --pid {{pid}}`
+
+- Find which process is using a network port:
+
+`witr --port {{port}}`
+
+- Show a full process tree for a specific PID:
+
+`witr --pid {{pid}} --tree`
+
+- Show a short summary output:
+
+`witr --short {{process-name}}`
+
+- Display the results in a JSON format:
+
+`witr --json --pid {{pid}}`