docs: Add CamelHump keymap snippets

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Change summary

docs/src/key-bindings.md      | 30 ++++++++++++++++++++++++++++++
docs/src/migrate/intellij.md  |  2 ++
docs/src/migrate/pycharm.md   |  2 ++
docs/src/migrate/rustrover.md |  2 ++
docs/src/migrate/webstorm.md  |  2 ++
5 files changed, 38 insertions(+)

Detailed changes

docs/src/key-bindings.md 🔗 

@@ -44,6 +44,36 @@ If you use the JetBrains base keymap, Zed makes editor-local `alt-left` / `alt-r
 
 If you want to customize this behavior further, open the keymap editor with {#kb zed::OpenKeymap} or edit your `keymap.json` directly.
 
+If you are using a base keymap other than JetBrains and want `alt-left` / `alt-right` to use CamelHump-style subword motions, add this to your `keymap.json`:
+
+```json [keymap]
+[
+  {
+    "context": "Editor",
+    "bindings": {
+      "alt-left": "editor::MoveToPreviousSubwordStart",
+      "alt-right": "editor::MoveToNextSubwordEnd",
+      "shift-alt-left": "editor::SelectToPreviousSubwordStart",
+      "shift-alt-right": "editor::SelectToNextSubwordEnd"
+    }
+  }
+]
+```
+
+If you use the JetBrains base keymap and want `alt-left` / `alt-right` to keep moving between tabs in the editor, add this override:
+
+```json [keymap]
+[
+  {
+    "context": "Editor",
+    "bindings": {
+      "alt-left": "pane::ActivatePreviousItem",
+      "alt-right": "pane::ActivateNextItem"
+    }
+  }
+]
+```
+
 ## Keymap Editor
 
 You can access the keymap editor through the {#kb zed::OpenKeymap} action or by running {#action zed::OpenKeymap} action from the command palette. You can easily add or change a keybind for an action with the `Change Keybinding` or `Add Keybinding` button on the command pallets left bottom corner.

docs/src/migrate/intellij.md 🔗 

@@ -45,6 +45,8 @@ This maps familiar shortcuts like `Shift Shift` for Search Everywhere, `Cmd+O` f
 
 In editors, the JetBrains keymap also makes `Alt+Left` / `Alt+Right` and `Shift+Alt+Left` / `Shift+Alt+Right` move and select by subword, so identifiers like `camelCase` and `snake_case` behave like IntelliJ's CamelHumps navigation.
 
+If you want to copy that behavior into another base keymap, see the copy-paste `keymap.json` examples in [Key Bindings](../key-bindings.md#word-and-subword-navigation).
+
 ## Set Up Editor Preferences
 
 You can configure most settings in the Settings Editor ({#kb zed::OpenSettings}). For advanced settings, run `zed: open settings file` from the Command Palette to edit your settings file directly.

docs/src/migrate/pycharm.md 🔗 

@@ -45,6 +45,8 @@ This maps familiar shortcuts like `Shift Shift` for Search Everywhere, `Cmd+O` f
 
 In editors, the JetBrains keymap also makes `Alt+Left` / `Alt+Right` and `Shift+Alt+Left` / `Shift+Alt+Right` move and select by subword, so identifiers like `camelCase` and `snake_case` behave like PyCharm's CamelHumps navigation.
 
+If you want to copy that behavior into another base keymap, see the copy-paste `keymap.json` examples in [Key Bindings](../key-bindings.md#word-and-subword-navigation).
+
 ## Set Up Editor Preferences
 
 You can configure most settings in the Settings Editor ({#kb zed::OpenSettings}). For advanced settings, run `zed: open settings file` from the Command Palette to edit your settings file directly.

docs/src/migrate/rustrover.md 🔗 

@@ -45,6 +45,8 @@ This maps familiar shortcuts like `Shift Shift` for Search Everywhere, `Cmd+O` f
 
 In editors, the JetBrains keymap also makes `Alt+Left` / `Alt+Right` and `Shift+Alt+Left` / `Shift+Alt+Right` move and select by subword, so identifiers like `camelCase` and `snake_case` behave like RustRover's CamelHumps navigation.
 
+If you want to copy that behavior into another base keymap, see the copy-paste `keymap.json` examples in [Key Bindings](../key-bindings.md#word-and-subword-navigation).
+
 ## Set Up Editor Preferences
 
 You can configure most settings in the Settings Editor ({#kb zed::OpenSettings}). For advanced settings, run `zed: open settings file` from the Command Palette to edit your settings file directly.

docs/src/migrate/webstorm.md 🔗 

@@ -45,6 +45,8 @@ This maps familiar shortcuts like `Shift Shift` for Search Everywhere, `Cmd+O` f
 
 In editors, the JetBrains keymap also makes `Alt+Left` / `Alt+Right` and `Shift+Alt+Left` / `Shift+Alt+Right` move and select by subword, so identifiers like `camelCase` and `snake_case` behave like WebStorm's CamelHumps navigation.
 
+If you want to copy that behavior into another base keymap, see the copy-paste `keymap.json` examples in [Key Bindings](../key-bindings.md#word-and-subword-navigation).
+
 ## Set Up Editor Preferences
 
 You can configure most settings in the Settings Editor ({#kb zed::OpenSettings}). For advanced settings, run `zed: open settings file` from the Command Palette to edit your settings file directly.