[docgen] Update docs

doc/orgmode.txt

@@ -640,8 +640,8 @@ org_agenda_custom_commands                *orgmode-org_agenda_custom_commands*
 - Default: `{}`
 
 Define custom agenda views that are available through the |orgmode-org_agenda|
-mapping. It is possible to combine multiple agenda types into single view. An
-example:
+mapping. It is possible to combine multiple agenda types into single view.
+Available options for each agenda type are explained down below the example:
 
 >lua
     require('orgmode').setup({
@@ -703,6 +703,28 @@ example:
     })
 <
 
+These arguments are shared between all of the agenda types:
+
+- `org_agenda_overriding_header` `(string)` - Override the header of the agenda view
+- `org_agenda_files` `(string | string[])` - Set custom files to be loaded into this view. In same format as |orgmode-org_agendafiles|
+- `org_agenda_tag_filter_preset` `string` - Custom tags filter for the view. Same format as |orgmode-org_agendafiles|, but applies only for tags.
+- `org_agenda_category_filter_preset` `string` - Custom category filter for the view. Same format as |orgmode-org_agendafiles|, but applies only for categories.
+- `org_agenda_sorting_strategy` `string[]` - List of sorting functions. See |orgmode-org_agendasortingstrategy|
+- `org_agenda_remove_tags` `boolean` - Remove tags from the view. Default: `false`
+
+`agenda` type arguments:
+
+- `org_agenda_span` `string|number` - Set custom span for the view. In same format as |orgmode-org_agendaspan|
+- `org_agenda_start_on_weekday` `number` - Set custom start day for the view. In same format as |orgmode-org_agendastartonweekday|
+- `org_agenda_start_day` `string` - Set custom start day offset for the view. In same format as |orgmode-org_agendastartday|
+
+`tags` and `tags_todo` type arguments:
+
+- `org_agenda_todo_ignore_scheduled` `('past' | 'future' | 'all' | nil')` - Do not show headlines that have scheduled task according to the value. Default: `nil`
+- `org_agenda_todo_ignore_deadlines` `('near' | 'far' | 'all' | 'past' | 'future' | nil')` - Do not show headlines that have deadline task according to the value. Default: `nil`
+    - `far` - Do not show deadlines that are too far in future (over |orgmode-org_deadlinewarningdays|)
+    - `near` - Do not show deadlines that are too near in future (under |orgmode-org_deadlinewarningdays|)
+
 
 org_agenda_sorting_strategy              *orgmode-org_agenda_sorting_strategy*