Automatically indent the cursor when adding a newline after a `{` in Gleam code files (#8097)

Joseph T. Lyons created 

Fixes: https://github.com/zed-industries/zed/issues/7295

Release Notes:

- Fixed a bug where adding a newline after a `{` would not automatically
indent the cursor in Gleam code files
([#7295](https://github.com/zed-industries/zed/issues/7295)).

Change summary

assets/settings/default.json               | 3 +++
crates/zed/src/languages/gleam/indents.scm | 1 +
2 files changed, 4 insertions(+)

Detailed changes

assets/settings/default.json 🔗 

@@ -494,6 +494,9 @@
     "Elixir": {
       "tab_size": 2
     },
+    "Gleam": {
+      "tab_size": 2
+    },
     "Go": {
       "tab_size": 4,
       "hard_tabs": true,