Omc gitignore (#3207)

* Add .omc to gitignore

* Remove full .omc directory

Author: Alex-Tideman

.gitignore

@@ -27,4 +27,5 @@ go.work.sum
 .claude/settings.local.json
 .claude/*
 !.claude/skills/
-.sisyphus/*
+.sisyphus/*
+.omc

.serena/project.yml

@@ -110,3 +110,16 @@ encoding: utf-8
 # Note that when using the JetBrains backend, language servers are not used and this list is correspondingly ignored.
 languages:
   - typescript
+
+# time budget (seconds) per tool call for the retrieval of additional symbol information
+# such as docstrings or parameter information.
+# This overrides the corresponding setting in the global configuration; see the documentation there.
+# If null or missing, use the setting from the global configuration.
+symbol_info_budget:
+
+# The language backend to use for this project.
+# If not set, the global setting from serena_config.yml is used.
+# Valid values: LSP, JetBrains
+# Note: the backend is fixed at startup. If a project with a different backend
+# is activated post-init, an error will be returned.
+language_backend: