feat(core): Expand filtering into pipeline supporting multiple text search modes.

Modes include: exact match, smart-case, and regular expressions.

crates/pikl-core/src/query/mod.rs

@@ -1,2 +1,6 @@
+pub mod exact;
 pub mod filter;
 pub mod navigation;
+pub mod pipeline;
+pub mod regex_filter;
+pub mod strategy;