Add a menu item and keybinding to } to increase the context size

docs/Config.md

@@ -154,6 +154,7 @@ keybinding:
     appendNewline: '<a-enter>'
     extrasMenu: '@'
     toggleWhitespaceInDiffView: '<c-w>'
+    increaseContextInDiffView: '}'
   status:
     checkForUpdate: 'u'
     recentRepos: '<enter>'

pkg/config/user_config.go

@@ -177,6 +177,7 @@ type KeybindingUniversalConfig struct {
 	AppendNewline                string   `yaml:"appendNewline"`
 	ExtrasMenu                   string   `yaml:"extrasMenu"`
 	ToggleWhitespaceInDiffView   string   `yaml:"toggleWhitespaceInDiffView"`
+	IncreaseContextInDiffView    string   `yaml:"increaseContextInDiffView"`
 }
 
 type KeybindingStatusConfig struct {
@@ -438,6 +439,7 @@ func GetDefaultConfig() *UserConfig {
 				AppendNewline:                "<a-enter>",
 				ExtrasMenu:                   "@",
 				ToggleWhitespaceInDiffView:   "<c-w>",
+				IncreaseContextInDiffView:    "}",
 			},
 			Status: KeybindingStatusConfig{
 				CheckForUpdate:      "u",

pkg/gui/keybindings.go

@@ -1770,6 +1770,12 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.toggleWhitespaceInDiffView,
 			Description: gui.Tr.ToggleWhitespaceInDiffView,
 		},
+		{
+			ViewName:    "",
+			Key:         gui.getKey(config.Universal.IncreaseContextInDiffView),
+			Handler:     gui.IncreaseContextInDiffView,
+			Description: gui.Tr.IncreaseContextInDiffView,
+		},
 		{
 			ViewName: "extras",
 			Key:      gocui.MouseWheelUp,

pkg/i18n/english.go

@@ -427,6 +427,7 @@ type TranslationSet struct {
 	ToggleWhitespaceInDiffView          string
 	IgnoringWhitespaceInDiffView        string
 	ShowingWhitespaceInDiffView         string
+	IncreaseContextInDiffView           string
 	CreatePullRequestOptions            string
 	LcCreatePullRequestOptions          string
 	LcDefaultBranch                     string
@@ -967,6 +968,7 @@ func englishTranslationSet() TranslationSet {
 		ToggleWhitespaceInDiffView:          "Toggle whether or not whitespace changes are shown in the diff view",
 		IgnoringWhitespaceInDiffView:        "Whitespace will be ignored in the diff view",
 		ShowingWhitespaceInDiffView:         "Whitespace will be shown in the diff view",
+		IncreaseContextInDiffView:           "Increase the size of the context shown around changes in the diff view",
 		CreatePullRequest:                   "Create pull request",
 		CreatePullRequestOptions:            "Create pull request options",
 		LcCreatePullRequestOptions:          "create pull request options",