Add task docs and default keybindings (#8123)

Also group task source modules together

Release Notes:

- N/A

---------

Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>

crates/task/src/static_source.rs

@@ -12,9 +12,53 @@ use schemars::{gen::SchemaSettings, JsonSchema};
 use serde::{Deserialize, Serialize};
 use util::ResultExt;
 
-use crate::{Source, StaticTask, Task};
+use crate::{Source, SpawnInTerminal, Task, TaskId};
 use futures::channel::mpsc::UnboundedReceiver;
 
+/// A single config file entry with the deserialized task definition.
+#[derive(Clone, Debug, PartialEq)]
+struct StaticTask {
+    id: TaskId,
+    definition: Definition,
+}
+
+impl StaticTask {
+    pub(super) fn new(id: usize, task_definition: Definition) -> Self {
+        Self {
+            id: TaskId(format!("static_{}_{}", task_definition.label, id)),
+            definition: task_definition,
+        }
+    }
+}
+
+impl Task for StaticTask {
+    fn exec(&self, cwd: Option<PathBuf>) -> Option<SpawnInTerminal> {
+        Some(SpawnInTerminal {
+            id: self.id.clone(),
+            cwd,
+            use_new_terminal: self.definition.use_new_terminal,
+            allow_concurrent_runs: self.definition.allow_concurrent_runs,
+            label: self.definition.label.clone(),
+            command: self.definition.command.clone(),
+            args: self.definition.args.clone(),
+            env: self.definition.env.clone(),
+            separate_shell: false,
+        })
+    }
+
+    fn name(&self) -> &str {
+        &self.definition.label
+    }
+
+    fn id(&self) -> &TaskId {
+        &self.id
+    }
+
+    fn cwd(&self) -> Option<&Path> {
+        self.definition.cwd.as_deref()
+    }
+}
+
 /// The source of tasks defined in a tasks config file.
 pub struct StaticSource {
     tasks: Vec<StaticTask>,