feat: implement complete tree-sitter-shellspec grammar with comprehensive testing

- Add full ShellSpec grammar extending tree-sitter-bash
- Support all ShellSpec constructs: Describe, Context, It, hooks, utilities
- Include Data block parsing with statements and argument styles
- Add 61 comprehensive test cases covering real-world patterns
- Implement optimized GitHub workflows with CI/CD automation
- Configure complete development tooling (linting, formatting, pre-commit)
- Add comprehensive documentation and contribution guidelines
- Optimize grammar conflicts to zero warnings
- Support editor integration for Neovim, VS Code, Emacs

Breaking Changes:
- Initial release, no previous API to break

BREAKING CHANGE: Initial implementation of tree-sitter-shellspec grammar

# Conflicts:
#	.github/workflows/codeql.yml
#	.github/workflows/pr-lint.yml
#	.pre-commit-config.yaml

# Conflicts:
#	.github/workflows/pr-lint.yml

# Conflicts:
#	.github/workflows/pr-lint.yml

test/spec/08.calling_order_of_hook_spec.sh

@@ -0,0 +1,42 @@
+#shellcheck shell=sh
+
+hook() { %logger "$1 $2 ${SHELLSPEC_EXAMPLE_ID}"; }
+
+Describe '1'
+  Before "hook before 1" "hook before 2"
+  After "hook after 1" "hook after 2"
+
+  Describe '1-1'
+    Before "hook before 3"
+    After "hook after 3"
+
+    # The before hook is called by defined order
+    %logger "==== before example 1-1-1 ===="
+    Example '1-1-1'
+      %logger "example ${SHELLSPEC_EXAMPLE_ID}"
+      When call :
+    End
+    %logger "==== after example 1-1-1 ===="
+    # The after hook is called by defined reverse order
+
+    # The before hook is called for each example
+    %logger "==== before example 1-1-2 ===="
+    Example '1-1-2'
+      %logger "example ${SHELLSPEC_EXAMPLE_ID}"
+      When call :
+    End
+    %logger "==== after example 1-1-2 ===="
+    # The after hook is called for each example
+  End
+
+  Describe '1-2'
+    # The before 3 hook is not called
+    %logger "==== before example 1-2-1 ===="
+    Example '1-2-1'
+      %logger "example ${SHELLSPEC_EXAMPLE_ID}"
+      When call :
+    End
+    %logger "==== after example 1-2-1 ===="
+    # The after 3 hook is not called
+  End
+End