You can add these to keybindings.json or just in keyboard shortcuts ui.

Commit all files or the ones from stage.

{
	"key": "ctrl+alt+c",
	"command": "git.commit"
},

Do pull/push

{
	"key": "ctrl+alt+g",
	"command": "git.sync"
},

Select range with emmet. For example text inside html element.

{
	"key": "ctrl+shift+a",
	"command": "editor.emmet.action.balanceOut"
},

Select all occurrences (if auto is turned off)

{
  "key": "ctrl+shift+l",
  "command": "editor.action.selectHighlights",
  "when": "editorFocus"
}