docs: update docs with processes column (#1138)

docs/content/configuration/config-file/processes.md

@@ -0,0 +1,11 @@
+# Processes
+
+## Columns
+
+You can configure which columns are shown by the process widget by setting the `columns` setting:
+
+```toml
+[processes]
+# Pick which columns you want to use.
+columns = ["cpu%", "mem", "mem%", "pid", "count", "name", "command", "read", "write", "Tread", "twrite", "state", "user", "time"]
+```

docs/content/usage/widgets/memory.md

@@ -13,6 +13,8 @@ If the total RAM or swap available is 0, then it is automatically hidden from th
 
 One can also adjust the displayed time range through either the keyboard or mouse, with a range of 30s to 600s.
 
+This widget can also be configured to display Nvidia GPU memory usage (`--enable_gpu_memory`) or cache memory usage (`--enable_cache_memory`).
+
 ## Key bindings
 
 Note that key bindings are generally case-sensitive.

docs/content/usage/widgets/process.md

@@ -28,6 +28,13 @@ By default, the main process table displays the following information for each p
 - User
 - Process state
 
+It can also additionally display the following columns:
+
+- Process time
+
+See [the processes configuration page](../../configuration/config-file/processes.md) on how to customize which columns
+are shown.
+
 ### Sorting
 
 The table can be sorted by clicking on the table headers, which will either sort the table by that column, or if already

docs/mkdocs.yml

@@ -145,6 +145,7 @@ nav:
           - "Theming": configuration/config-file/theming.md
           - "Layout": configuration/config-file/layout.md
           - "Data Filtering": configuration/config-file/data-filtering.md
+          - "Processes": configuration/config-file/processes.md
   - "Contribution":
       - "Issues, Pull Requests, and Discussions": contribution/issues-and-pull-requests.md
       - "Documentation": contribution/documentation.md