feat: Add case sensitivity support for searching, selecting and filtering files (#393)

* feat: Add struct and enum definitons for choosing case sensitivity of search

* feat: Implement `FromStr` for CaseSensitivity

* feat: Add a command to change the configuration of case sensitivity

* feat: Add case sensitivity support for search operations

* feat: Add case sensitivity support for selection operations

* docs: Add explanations for the new feature

* feat: Add case sensitivity support for searching with fzf

* docs: Add explanations for the new feature

* docs: Update documents

* feat: Refactor and add case sensitivity support for the filter operation

* refactor: Extract codes related to constructing the context for searching

* refactor: Extract the common component of searching, selecting and filtering files

* refactor: Change the module path and name

* feat: Use separate options for case sensitivity configurations

* feat: Add support for changing case sensitivity configurations at runtime

* docs: Add explanations for the new command

1 files changed, 7 insertions, 1 deletions

diff --git a/src/key_command/command.rs b/src/key_command/command.rs
index 9d20b11..16734f1 100644
--- a/src/key_command/command.rs
+++ b/src/key_command/command.rs
@@ -1,8 +1,10 @@
 use std::path;
 
+use crate::commands::case_sensitivity::SetType;
 use crate::commands::quit::QuitAction;
 use crate::config::option::{
-    LineMode, LineNumberStyle, NewTabMode, SelectOption, SortType, TabBarDisplayMode,
+    CaseSensitivity, LineMode, LineNumberStyle, NewTabMode, SelectOption, SortType,
+    TabBarDisplayMode,
 };
 use crate::io::FileOperationOptions;
 
@@ -112,6 +114,10 @@ pub enum Command {
         pattern: String,
         options: SelectOption,
     },
+    SetCaseSensitivity {
+        case_sensitivity: CaseSensitivity,
+        set_type: SetType,
+    },
     SetMode,
     SubProcess {
         words: Vec<String>,