Add PR template

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+This PR introduces various enhancements and new features to the `surreal-orm`
+query builder. A slew of new statement types have been implemented, offering a
+richer query construction layer. The changes ensure that the library is more
+extensible, maintainable, and user-friendly.
+
+### Features
+
+1. **Statement Support**: New support for BREAK, CONTINUE, LIVE SELECT, REMOVE
+   ANALYZER, REMOVE FUNCTION, REMOVE PARAM, and SHOW CHANGES statements.
+2. **Query Building Improvements**: Changes in
+   `query-builder/src/functions/search.rs` to improve query build logic.
+3. **Code Cleanup**: Refactoring in various files to improve readability and
+   maintainability.
+
+### Changes
+
+1. `query-builder/src/functions/search.rs`: Renamed `search_highlight_fn` to
+   `highlight_fn` and updated corresponding tests.
+2. `query-builder/src/statements/for_loop.rs`: Various formatting and naming
+   changes for better readability.
+3. Added new statement files: `break_.rs`, `continue_.rs`, `live_select.rs`,
+   `remove_analyzer.rs`, `remove_function.rs`, `remove_param.rs`, `show.rs`
+4. `query-builder/src/statements/mod.rs`: Included the newly added statement
+   types in the module tree and public API.
+
+### Test Coverage
+
+- Added unit tests for all new statements.
+- Updated existing unit tests in `search.rs` and `for_loop.rs` to reflect the
+  changes.
+
+### Backward Compatibility
+
+- All changes are backward compatible.
+
+## Checklist
+
+- [x] Code compiles correctly
+- [x] Created new unit tests for the features
+- [x] All unit tests passing
+- [x] Extended the README / documentation if necessary
+- [x] Applied code formatting
+
+## Reviewers
+
+- [ ] @Reviewer1
+- [ ] @Reviewer2
+
+---
+
+### Files Changed
+
+- `query-builder/src/functions/search.rs`
+- `query-builder/src/statements/break_.rs`
+- `query-builder/src/statements/continue_.rs`
+- `query-builder/src/statements/for_loop.rs`
+- `query-builder/src/statements/live_select.rs`
+- `query-builder/src/statements/remove_analyzer.rs`
+- `query-builder/src/statements/remove_function.rs`
+- `query-builder/src/statements/remove_param.rs`
+- `query-builder/src/statements/show.rs`
+- `query-builder/src/statements/mod.rs`